Home / 2,121,828.11-3,182,711.13-524,391.37

Finding the Fourth Proportional to 2,121,828.11, 3,182,711.13 and 524,391.37

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Solution

The fourth proportional to 2,121,828.11, 3,182,711.13 and 524,391.37 is: 786,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,828.11 : 3,182,711.13 = 524,391.37 : x
  2. Step 2: Convert to fraction form
    2,121,828.11/3,182,711.13 = 524,391.37/x
  3. Step 3: Cross multiply
    2,121,828.11x = 3,182,711.13 × 524,391.37
  4. Step 4: Simplify right side
    2,121,828.11x = 1,668,986,241,818.17
  5. Step 5: Solve for x
    x = 1,668,986,241,818.17/2,121,828.11
  6. Step 6: Final answer
    x = 786,579.38

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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.