Home / 1,689,632.80-2,534,449.20-1,577,658.40

Finding the Fourth Proportional to 1,689,632.80, 2,534,449.20 and 1,577,658.40

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Solution

The fourth proportional to 1,689,632.80, 2,534,449.20 and 1,577,658.40 is: 2,366,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,632.80 : 2,534,449.20 = 1,577,658.40 : x
  2. Step 2: Convert to fraction form
    1,689,632.80/2,534,449.20 = 1,577,658.40/x
  3. Step 3: Cross multiply
    1,689,632.80x = 2,534,449.20 × 1,577,658.40
  4. Step 4: Simplify right side
    1,689,632.80x = 3,998,495,069,753.28
  5. Step 5: Solve for x
    x = 3,998,495,069,753.28/1,689,632.80
  6. Step 6: Final answer
    x = 2,366,487.60

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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.