Home / 6,442,426.13-8,890,321.52-3,541,795.88

Finding the Fourth Proportional to 6,442,426.13, 8,890,321.52 and 3,541,795.88

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Solution

The fourth proportional to 6,442,426.13, 8,890,321.52 and 3,541,795.88 is: 4,887,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,426.13 : 8,890,321.52 = 3,541,795.88 : x
  2. Step 2: Convert to fraction form
    6,442,426.13/8,890,321.52 = 3,541,795.88/x
  3. Step 3: Cross multiply
    6,442,426.13x = 8,890,321.52 × 3,541,795.88
  4. Step 4: Simplify right side
    6,442,426.13x = 31,487,704,095,814.22
  5. Step 5: Solve for x
    x = 31,487,704,095,814.22/6,442,426.13
  6. Step 6: Final answer
    x = 4,887,553.77

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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.