Home / 2,687,980.92-4,031,919.52-666,229

Finding the Fourth Proportional to 2,687,980.92, 4,031,919.52 and 666,229

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Solution

The fourth proportional to 2,687,980.92, 4,031,919.52 and 666,229 is: 999,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,980.92 : 4,031,919.52 = 666,229 : x
  2. Step 2: Convert to fraction form
    2,687,980.92/4,031,919.52 = 666,229/x
  3. Step 3: Cross multiply
    2,687,980.92x = 4,031,919.52 × 666,229
  4. Step 4: Simplify right side
    2,687,980.92x = 2,686,181,709,890.08
  5. Step 5: Solve for x
    x = 2,686,181,709,890.08/2,687,980.92
  6. Step 6: Final answer
    x = 999,330.65

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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.