Home / 6,461,876.46-8,918,712.78-3,849,910.65

Finding the Fourth Proportional to 6,461,876.46, 8,918,712.78 and 3,849,910.65

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Solution

The fourth proportional to 6,461,876.46, 8,918,712.78 and 3,849,910.65 is: 5,313,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,876.46 : 8,918,712.78 = 3,849,910.65 : x
  2. Step 2: Convert to fraction form
    6,461,876.46/8,918,712.78 = 3,849,910.65/x
  3. Step 3: Cross multiply
    6,461,876.46x = 8,918,712.78 × 3,849,910.65
  4. Step 4: Simplify right side
    6,461,876.46x = 34,336,247,316,013.11
  5. Step 5: Solve for x
    x = 34,336,247,316,013.11/6,461,876.46
  6. Step 6: Final answer
    x = 5,313,665.08

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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.