Home / 2,687,867.88-4,031,700.86-666,117.64

Finding the Fourth Proportional to 2,687,867.88, 4,031,700.86 and 666,117.64

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Solution

The fourth proportional to 2,687,867.88, 4,031,700.86 and 666,117.64 is: 999,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,867.88 : 4,031,700.86 = 666,117.64 : x
  2. Step 2: Convert to fraction form
    2,687,867.88/4,031,700.86 = 666,117.64/x
  3. Step 3: Cross multiply
    2,687,867.88x = 4,031,700.86 × 666,117.64
  4. Step 4: Simplify right side
    2,687,867.88x = 2,685,587,062,049.17
  5. Step 5: Solve for x
    x = 2,685,587,062,049.17/2,687,867.88
  6. Step 6: Final answer
    x = 999,151.44

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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.