Home / 4,811,072.31-6,639,279.39-2,877,332.85

Finding the Fourth Proportional to 4,811,072.31, 6,639,279.39 and 2,877,332.85

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Solution

The fourth proportional to 4,811,072.31, 6,639,279.39 and 2,877,332.85 is: 3,970,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811,072.31 : 6,639,279.39 = 2,877,332.85 : x
  2. Step 2: Convert to fraction form
    4,811,072.31/6,639,279.39 = 2,877,332.85/x
  3. Step 3: Cross multiply
    4,811,072.31x = 6,639,279.39 × 2,877,332.85
  4. Step 4: Simplify right side
    4,811,072.31x = 19,103,416,689,174.96
  5. Step 5: Solve for x
    x = 19,103,416,689,174.96/4,811,072.31
  6. Step 6: Final answer
    x = 3,970,719.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.