Home / 2,376,423.27-3,279,465-1,288,694.56

Finding the Fourth Proportional to 2,376,423.27, 3,279,465 and 1,288,694.56

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Solution

The fourth proportional to 2,376,423.27, 3,279,465 and 1,288,694.56 is: 1,778,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,423.27 : 3,279,465 = 1,288,694.56 : x
  2. Step 2: Convert to fraction form
    2,376,423.27/3,279,465 = 1,288,694.56/x
  3. Step 3: Cross multiply
    2,376,423.27x = 3,279,465 × 1,288,694.56
  4. Step 4: Simplify right side
    2,376,423.27x = 4,226,228,705,210.40
  5. Step 5: Solve for x
    x = 4,226,228,705,210.40/2,376,423.27
  6. Step 6: Final answer
    x = 1,778,398.97

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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.