Home / 2,688,000.20-4,032,000.30-1,505,894.60

Finding the Fourth Proportional to 2,688,000.20, 4,032,000.30 and 1,505,894.60

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Solution

The fourth proportional to 2,688,000.20, 4,032,000.30 and 1,505,894.60 is: 2,258,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,000.20 : 4,032,000.30 = 1,505,894.60 : x
  2. Step 2: Convert to fraction form
    2,688,000.20/4,032,000.30 = 1,505,894.60/x
  3. Step 3: Cross multiply
    2,688,000.20x = 4,032,000.30 × 1,505,894.60
  4. Step 4: Simplify right side
    2,688,000.20x = 6,071,767,478,968.38
  5. Step 5: Solve for x
    x = 6,071,767,478,968.38/2,688,000.20
  6. Step 6: Final answer
    x = 2,258,841.90

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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.