Home / 2,687,982.90-4,031,922.48-666,231

Finding the Fourth Proportional to 2,687,982.90, 4,031,922.48 and 666,231

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Solution

The fourth proportional to 2,687,982.90, 4,031,922.48 and 666,231 is: 999,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,982.90 : 4,031,922.48 = 666,231 : x
  2. Step 2: Convert to fraction form
    2,687,982.90/4,031,922.48 = 666,231/x
  3. Step 3: Cross multiply
    2,687,982.90x = 4,031,922.48 × 666,231
  4. Step 4: Simplify right side
    2,687,982.90x = 2,686,191,745,772.88
  5. Step 5: Solve for x
    x = 2,686,191,745,772.88/2,687,982.90
  6. Step 6: Final answer
    x = 999,333.64

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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.