Home / 4,257,942-6,388,666.92-3,126,482.16

Finding the Fourth Proportional to 4,257,942, 6,388,666.92 and 3,126,482.16

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Solution

The fourth proportional to 4,257,942, 6,388,666.92 and 3,126,482.16 is: 4,691,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257,942 : 6,388,666.92 = 3,126,482.16 : x
  2. Step 2: Convert to fraction form
    4,257,942/6,388,666.92 = 3,126,482.16/x
  3. Step 3: Cross multiply
    4,257,942x = 6,388,666.92 × 3,126,482.16
  4. Step 4: Simplify right side
    4,257,942x = 19,974,053,151,562.15
  5. Step 5: Solve for x
    x = 19,974,053,151,562.15/4,257,942
  6. Step 6: Final answer
    x = 4,691,011.09

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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.