Home / 5,306,920.26-7,960,336.64-1,520,406.78

Finding the Fourth Proportional to 5,306,920.26, 7,960,336.64 and 1,520,406.78

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Solution

The fourth proportional to 5,306,920.26, 7,960,336.64 and 1,520,406.78 is: 2,280,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,920.26 : 7,960,336.64 = 1,520,406.78 : x
  2. Step 2: Convert to fraction form
    5,306,920.26/7,960,336.64 = 1,520,406.78/x
  3. Step 3: Cross multiply
    5,306,920.26x = 7,960,336.64 × 1,520,406.78
  4. Step 4: Simplify right side
    5,306,920.26x = 12,102,949,798,538.42
  5. Step 5: Solve for x
    x = 12,102,949,798,538.42/5,306,920.26
  6. Step 6: Final answer
    x = 2,280,597.64

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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.