Home / 5,298,357.20-7,948,720.95-1,932,564.20

Finding the Fourth Proportional to 5,298,357.20, 7,948,720.95 and 1,932,564.20

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Solution

The fourth proportional to 5,298,357.20, 7,948,720.95 and 1,932,564.20 is: 2,899,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,357.20 : 7,948,720.95 = 1,932,564.20 : x
  2. Step 2: Convert to fraction form
    5,298,357.20/7,948,720.95 = 1,932,564.20/x
  3. Step 3: Cross multiply
    5,298,357.20x = 7,948,720.95 × 1,932,564.20
  4. Step 4: Simplify right side
    5,298,357.20x = 15,361,413,543,759.99
  5. Step 5: Solve for x
    x = 15,361,413,543,759.99/5,298,357.20
  6. Step 6: Final answer
    x = 2,899,278.58

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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.