Home / 6,480,116.60-9,720,174.90-2,219,905.40

Finding the Fourth Proportional to 6,480,116.60, 9,720,174.90 and 2,219,905.40

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Solution

The fourth proportional to 6,480,116.60, 9,720,174.90 and 2,219,905.40 is: 3,329,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,116.60 : 9,720,174.90 = 2,219,905.40 : x
  2. Step 2: Convert to fraction form
    6,480,116.60/9,720,174.90 = 2,219,905.40/x
  3. Step 3: Cross multiply
    6,480,116.60x = 9,720,174.90 × 2,219,905.40
  4. Step 4: Simplify right side
    6,480,116.60x = 21,577,868,749,454.46
  5. Step 5: Solve for x
    x = 21,577,868,749,454.46/6,480,116.60
  6. Step 6: Final answer
    x = 3,329,858.10

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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.