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Finding the Fourth Proportional to 6,398,019.72, 8,829,267.88 and 3,497,422.41

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Solution

The fourth proportional to 6,398,019.72, 8,829,267.88 and 3,497,422.41 is: 4,826,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,019.72 : 8,829,267.88 = 3,497,422.41 : x
  2. Step 2: Convert to fraction form
    6,398,019.72/8,829,267.88 = 3,497,422.41/x
  3. Step 3: Cross multiply
    6,398,019.72x = 8,829,267.88 × 3,497,422.41
  4. Step 4: Simplify right side
    6,398,019.72x = 30,879,679,378,221.92
  5. Step 5: Solve for x
    x = 30,879,679,378,221.92/6,398,019.72
  6. Step 6: Final answer
    x = 4,826,443.29

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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.