Home / 6,389,288.92-8,817,400.38-3,488,863.96

Finding the Fourth Proportional to 6,389,288.92, 8,817,400.38 and 3,488,863.96

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Solution

The fourth proportional to 6,389,288.92, 8,817,400.38 and 3,488,863.96 is: 4,814,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,288.92 : 8,817,400.38 = 3,488,863.96 : x
  2. Step 2: Convert to fraction form
    6,389,288.92/8,817,400.38 = 3,488,863.96/x
  3. Step 3: Cross multiply
    6,389,288.92x = 8,817,400.38 × 3,488,863.96
  4. Step 4: Simplify right side
    6,389,288.92x = 30,762,710,406,672.31
  5. Step 5: Solve for x
    x = 30,762,710,406,672.31/6,389,288.92
  6. Step 6: Final answer
    x = 4,814,731.47

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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.