Home / 4,720,171.89-7,078,305.87-1,480,629

Finding the Fourth Proportional to 4,720,171.89, 7,078,305.87 and 1,480,629

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Solution

The fourth proportional to 4,720,171.89, 7,078,305.87 and 1,480,629 is: 2,220,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,171.89 : 7,078,305.87 = 1,480,629 : x
  2. Step 2: Convert to fraction form
    4,720,171.89/7,078,305.87 = 1,480,629/x
  3. Step 3: Cross multiply
    4,720,171.89x = 7,078,305.87 × 1,480,629
  4. Step 4: Simplify right side
    4,720,171.89x = 10,480,344,941,992.23
  5. Step 5: Solve for x
    x = 10,480,344,941,992.23/4,720,171.89
  6. Step 6: Final answer
    x = 2,220,331.21

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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.