Home / 3,888,000.20-5,832,000.30-1,762,236.20

Finding the Fourth Proportional to 3,888,000.20, 5,832,000.30 and 1,762,236.20

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Solution

The fourth proportional to 3,888,000.20, 5,832,000.30 and 1,762,236.20 is: 2,643,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,000.20 : 5,832,000.30 = 1,762,236.20 : x
  2. Step 2: Convert to fraction form
    3,888,000.20/5,832,000.30 = 1,762,236.20/x
  3. Step 3: Cross multiply
    3,888,000.20x = 5,832,000.30 × 1,762,236.20
  4. Step 4: Simplify right side
    3,888,000.20x = 10,277,362,047,070.86
  5. Step 5: Solve for x
    x = 10,277,362,047,070.86/3,888,000.20
  6. Step 6: Final answer
    x = 2,643,354.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.