Home / 1,672,678.35-2,520,262.15-1,512,932.38

Finding the Fourth Proportional to 1,672,678.35, 2,520,262.15 and 1,512,932.38

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Solution

The fourth proportional to 1,672,678.35, 2,520,262.15 and 1,512,932.38 is: 2,279,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,678.35 : 2,520,262.15 = 1,512,932.38 : x
  2. Step 2: Convert to fraction form
    1,672,678.35/2,520,262.15 = 1,512,932.38/x
  3. Step 3: Cross multiply
    1,672,678.35x = 2,520,262.15 × 1,512,932.38
  4. Step 4: Simplify right side
    1,672,678.35x = 3,812,986,202,740.43
  5. Step 5: Solve for x
    x = 3,812,986,202,740.43/1,672,678.35
  6. Step 6: Final answer
    x = 2,279,569.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.