Home / 1,347,714.10-2,016,041.55-1,215,003.70

Finding the Fourth Proportional to 1,347,714.10, 2,016,041.55 and 1,215,003.70

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Solution

The fourth proportional to 1,347,714.10, 2,016,041.55 and 1,215,003.70 is: 1,817,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,714.10 : 2,016,041.55 = 1,215,003.70 : x
  2. Step 2: Convert to fraction form
    1,347,714.10/2,016,041.55 = 1,215,003.70/x
  3. Step 3: Cross multiply
    1,347,714.10x = 2,016,041.55 × 1,215,003.70
  4. Step 4: Simplify right side
    1,347,714.10x = 2,449,497,942,603.74
  5. Step 5: Solve for x
    x = 2,449,497,942,603.74/1,347,714.10
  6. Step 6: Final answer
    x = 1,817,520.45

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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.