Home / 5,209,107.80-7,813,956.94-1,615,385.66

Finding the Fourth Proportional to 5,209,107.80, 7,813,956.94 and 1,615,385.66

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Solution

The fourth proportional to 5,209,107.80, 7,813,956.94 and 1,615,385.66 is: 2,423,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,107.80 : 7,813,956.94 = 1,615,385.66 : x
  2. Step 2: Convert to fraction form
    5,209,107.80/7,813,956.94 = 1,615,385.66/x
  3. Step 3: Cross multiply
    5,209,107.80x = 7,813,956.94 × 1,615,385.66
  4. Step 4: Simplify right side
    5,209,107.80x = 12,622,553,941,586.77
  5. Step 5: Solve for x
    x = 12,622,553,941,586.77/5,209,107.80
  6. Step 6: Final answer
    x = 2,423,170.04

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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.