Home / 5,182,000.45-7,773,996.97-1,986,877.45

Finding the Fourth Proportional to 5,182,000.45, 7,773,996.97 and 1,986,877.45

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Solution

The fourth proportional to 5,182,000.45, 7,773,996.97 and 1,986,877.45 is: 2,980,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,000.45 : 7,773,996.97 = 1,986,877.45 : x
  2. Step 2: Convert to fraction form
    5,182,000.45/7,773,996.97 = 1,986,877.45/x
  3. Step 3: Cross multiply
    5,182,000.45x = 7,773,996.97 × 1,986,877.45
  4. Step 4: Simplify right side
    5,182,000.45x = 15,445,979,288,262.42
  5. Step 5: Solve for x
    x = 15,445,979,288,262.42/5,182,000.45
  6. Step 6: Final answer
    x = 2,980,698.18

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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.