Home / 5,129,411.40-7,694,117.10-2,137,206.60

Finding the Fourth Proportional to 5,129,411.40, 7,694,117.10 and 2,137,206.60

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Solution

The fourth proportional to 5,129,411.40, 7,694,117.10 and 2,137,206.60 is: 3,205,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,411.40 : 7,694,117.10 = 2,137,206.60 : x
  2. Step 2: Convert to fraction form
    5,129,411.40/7,694,117.10 = 2,137,206.60/x
  3. Step 3: Cross multiply
    5,129,411.40x = 7,694,117.10 × 2,137,206.60
  4. Step 4: Simplify right side
    5,129,411.40x = 16,443,917,847,292.86
  5. Step 5: Solve for x
    x = 16,443,917,847,292.86/5,129,411.40
  6. Step 6: Final answer
    x = 3,205,809.90

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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.