Home / 5,306,939.07-7,960,364.85-1,520,425.59

Finding the Fourth Proportional to 5,306,939.07, 7,960,364.85 and 1,520,425.59

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Solution

The fourth proportional to 5,306,939.07, 7,960,364.85 and 1,520,425.59 is: 2,280,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,939.07 : 7,960,364.85 = 1,520,425.59 : x
  2. Step 2: Convert to fraction form
    5,306,939.07/7,960,364.85 = 1,520,425.59/x
  3. Step 3: Cross multiply
    5,306,939.07x = 7,960,364.85 × 1,520,425.59
  4. Step 4: Simplify right side
    5,306,939.07x = 12,103,142,423,676.51
  5. Step 5: Solve for x
    x = 12,103,142,423,676.51/5,306,939.07
  6. Step 6: Final answer
    x = 2,280,625.85

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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.