Home / 2,164,479.76-3,243,614.10-1,215,853.93

Finding the Fourth Proportional to 2,164,479.76, 3,243,614.10 and 1,215,853.93

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Solution

The fourth proportional to 2,164,479.76, 3,243,614.10 and 1,215,853.93 is: 1,822,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,479.76 : 3,243,614.10 = 1,215,853.93 : x
  2. Step 2: Convert to fraction form
    2,164,479.76/3,243,614.10 = 1,215,853.93/x
  3. Step 3: Cross multiply
    2,164,479.76x = 3,243,614.10 × 1,215,853.93
  4. Step 4: Simplify right side
    2,164,479.76x = 3,943,760,950,888.41
  5. Step 5: Solve for x
    x = 3,943,760,950,888.41/2,164,479.76
  6. Step 6: Final answer
    x = 1,822,036.42

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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.