Home / 2,121,829.61-3,182,713.38-524,392.88

Finding the Fourth Proportional to 2,121,829.61, 3,182,713.38 and 524,392.88

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Solution

The fourth proportional to 2,121,829.61, 3,182,713.38 and 524,392.88 is: 786,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,829.61 : 3,182,713.38 = 524,392.88 : x
  2. Step 2: Convert to fraction form
    2,121,829.61/3,182,713.38 = 524,392.88/x
  3. Step 3: Cross multiply
    2,121,829.61x = 3,182,713.38 × 524,392.88
  4. Step 4: Simplify right side
    2,121,829.61x = 1,668,992,219,639.17
  5. Step 5: Solve for x
    x = 1,668,992,219,639.17/2,121,829.61
  6. Step 6: Final answer
    x = 786,581.64

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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.