Home / 4,887,209.80-7,331,165.28-1,292,934.07

Finding the Fourth Proportional to 4,887,209.80, 7,331,165.28 and 1,292,934.07

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Solution

The fourth proportional to 4,887,209.80, 7,331,165.28 and 1,292,934.07 is: 1,939,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887,209.80 : 7,331,165.28 = 1,292,934.07 : x
  2. Step 2: Convert to fraction form
    4,887,209.80/7,331,165.28 = 1,292,934.07/x
  3. Step 3: Cross multiply
    4,887,209.80x = 7,331,165.28 × 1,292,934.07
  4. Step 4: Simplify right side
    4,887,209.80x = 9,478,713,363,313.09
  5. Step 5: Solve for x
    x = 9,478,713,363,313.09/4,887,209.80
  6. Step 6: Final answer
    x = 1,939,493.85

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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.