Home / 4,131,345.10-6,198,001.80-1,999,676.20

Finding the Fourth Proportional to 4,131,345.10, 6,198,001.80 and 1,999,676.20

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Solution

The fourth proportional to 4,131,345.10, 6,198,001.80 and 1,999,676.20 is: 2,999,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131,345.10 : 6,198,001.80 = 1,999,676.20 : x
  2. Step 2: Convert to fraction form
    4,131,345.10/6,198,001.80 = 1,999,676.20/x
  3. Step 3: Cross multiply
    4,131,345.10x = 6,198,001.80 × 1,999,676.20
  4. Step 4: Simplify right side
    4,131,345.10x = 12,393,996,687,017.16
  5. Step 5: Solve for x
    x = 12,393,996,687,017.16/4,131,345.10
  6. Step 6: Final answer
    x = 2,999,990.65

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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.