Home / 2,144,476.79-3,216,818.63-705,128.33

Finding the Fourth Proportional to 2,144,476.79, 3,216,818.63 and 705,128.33

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Solution

The fourth proportional to 2,144,476.79, 3,216,818.63 and 705,128.33 is: 1,057,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,476.79 : 3,216,818.63 = 705,128.33 : x
  2. Step 2: Convert to fraction form
    2,144,476.79/3,216,818.63 = 705,128.33/x
  3. Step 3: Cross multiply
    2,144,476.79x = 3,216,818.63 × 705,128.33
  4. Step 4: Simplify right side
    2,144,476.79x = 2,268,269,944,295.42
  5. Step 5: Solve for x
    x = 2,268,269,944,295.42/2,144,476.79
  6. Step 6: Final answer
    x = 1,057,726.51

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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.