Home / 1,972,818.12-2,721,714.40-1,145,750.89

Finding the Fourth Proportional to 1,972,818.12, 2,721,714.40 and 1,145,750.89

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Solution

The fourth proportional to 1,972,818.12, 2,721,714.40 and 1,145,750.89 is: 1,580,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,818.12 : 2,721,714.40 = 1,145,750.89 : x
  2. Step 2: Convert to fraction form
    1,972,818.12/2,721,714.40 = 1,145,750.89/x
  3. Step 3: Cross multiply
    1,972,818.12x = 2,721,714.40 × 1,145,750.89
  4. Step 4: Simplify right side
    1,972,818.12x = 3,118,406,682,517.24
  5. Step 5: Solve for x
    x = 3,118,406,682,517.24/1,972,818.12
  6. Step 6: Final answer
    x = 1,580,686.36

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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.