Home / 4,991,132.76-6,887,830.11-2,815,669.18

Finding the Fourth Proportional to 4,991,132.76, 6,887,830.11 and 2,815,669.18

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Solution

The fourth proportional to 4,991,132.76, 6,887,830.11 and 2,815,669.18 is: 3,885,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,132.76 : 6,887,830.11 = 2,815,669.18 : x
  2. Step 2: Convert to fraction form
    4,991,132.76/6,887,830.11 = 2,815,669.18/x
  3. Step 3: Cross multiply
    4,991,132.76x = 6,887,830.11 × 2,815,669.18
  4. Step 4: Simplify right side
    4,991,132.76x = 19,393,850,955,854.04
  5. Step 5: Solve for x
    x = 19,393,850,955,854.04/4,991,132.76
  6. Step 6: Final answer
    x = 3,885,661.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.