Home / 2,182,472.79-3,011,503.89-1,239,456.21

Finding the Fourth Proportional to 2,182,472.79, 3,011,503.89 and 1,239,456.21

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Solution

The fourth proportional to 2,182,472.79, 3,011,503.89 and 1,239,456.21 is: 1,710,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,472.79 : 3,011,503.89 = 1,239,456.21 : x
  2. Step 2: Convert to fraction form
    2,182,472.79/3,011,503.89 = 1,239,456.21/x
  3. Step 3: Cross multiply
    2,182,472.79x = 3,011,503.89 × 1,239,456.21
  4. Step 4: Simplify right side
    2,182,472.79x = 3,732,627,197,899.66
  5. Step 5: Solve for x
    x = 3,732,627,197,899.66/2,182,472.79
  6. Step 6: Final answer
    x = 1,710,274.33

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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.