Home / 3,145,479-4,712,207.64-2,636,402.82

Finding the Fourth Proportional to 3,145,479, 4,712,207.64 and 2,636,402.82

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Solution

The fourth proportional to 3,145,479, 4,712,207.64 and 2,636,402.82 is: 3,949,566.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,479 : 4,712,207.64 = 2,636,402.82 : x
  2. Step 2: Convert to fraction form
    3,145,479/4,712,207.64 = 2,636,402.82/x
  3. Step 3: Cross multiply
    3,145,479x = 4,712,207.64 × 2,636,402.82
  4. Step 4: Simplify right side
    3,145,479x = 12,423,277,510,521.54
  5. Step 5: Solve for x
    x = 12,423,277,510,521.54/3,145,479
  6. Step 6: Final answer
    x = 3,949,566.19

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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.