Home / 3,551,645.20-5,321,344.20-1,654,495.60

Finding the Fourth Proportional to 3,551,645.20, 5,321,344.20 and 1,654,495.60

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Solution

The fourth proportional to 3,551,645.20, 5,321,344.20 and 1,654,495.60 is: 2,478,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,645.20 : 5,321,344.20 = 1,654,495.60 : x
  2. Step 2: Convert to fraction form
    3,551,645.20/5,321,344.20 = 1,654,495.60/x
  3. Step 3: Cross multiply
    3,551,645.20x = 5,321,344.20 × 1,654,495.60
  4. Step 4: Simplify right side
    3,551,645.20x = 8,804,140,564,985.52
  5. Step 5: Solve for x
    x = 8,804,140,564,985.52/3,551,645.20
  6. Step 6: Final answer
    x = 2,478,890.79

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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.