Home / 1,972,405.18-2,721,892.65-1,101,253.22

Finding the Fourth Proportional to 1,972,405.18, 2,721,892.65 and 1,101,253.22

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Solution

The fourth proportional to 1,972,405.18, 2,721,892.65 and 1,101,253.22 is: 1,519,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,405.18 : 2,721,892.65 = 1,101,253.22 : x
  2. Step 2: Convert to fraction form
    1,972,405.18/2,721,892.65 = 1,101,253.22/x
  3. Step 3: Cross multiply
    1,972,405.18x = 2,721,892.65 × 1,101,253.22
  4. Step 4: Simplify right side
    1,972,405.18x = 2,997,493,045,306.83
  5. Step 5: Solve for x
    x = 2,997,493,045,306.83/1,972,405.18
  6. Step 6: Final answer
    x = 1,519,714.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.