Home / 5,238,000.10-7,857,000.15-4,324,708.90

Finding the Fourth Proportional to 5,238,000.10, 7,857,000.15 and 4,324,708.90

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Solution

The fourth proportional to 5,238,000.10, 7,857,000.15 and 4,324,708.90 is: 6,487,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,000.10 : 7,857,000.15 = 4,324,708.90 : x
  2. Step 2: Convert to fraction form
    5,238,000.10/7,857,000.15 = 4,324,708.90/x
  3. Step 3: Cross multiply
    5,238,000.10x = 7,857,000.15 × 4,324,708.90
  4. Step 4: Simplify right side
    5,238,000.10x = 33,979,238,476,006.34
  5. Step 5: Solve for x
    x = 33,979,238,476,006.34/5,238,000.10
  6. Step 6: Final answer
    x = 6,487,063.35

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1.5x scale

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.