Home / 1,521,624.53-2,102,029.10-1,215,298.73

Finding the Fourth Proportional to 1,521,624.53, 2,102,029.10 and 1,215,298.73

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Solution

The fourth proportional to 1,521,624.53, 2,102,029.10 and 1,215,298.73 is: 1,678,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,624.53 : 2,102,029.10 = 1,215,298.73 : x
  2. Step 2: Convert to fraction form
    1,521,624.53/2,102,029.10 = 1,215,298.73/x
  3. Step 3: Cross multiply
    1,521,624.53x = 2,102,029.10 × 1,215,298.73
  4. Step 4: Simplify right side
    1,521,624.53x = 2,554,593,279,066.40
  5. Step 5: Solve for x
    x = 2,554,593,279,066.40/1,521,624.53
  6. Step 6: Final answer
    x = 1,678,859.16

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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.