Home / 2,666,815.46-3,680,215.02-1,443,120.87

Finding the Fourth Proportional to 2,666,815.46, 3,680,215.02 and 1,443,120.87

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Solution

The fourth proportional to 2,666,815.46, 3,680,215.02 and 1,443,120.87 is: 1,991,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,815.46 : 3,680,215.02 = 1,443,120.87 : x
  2. Step 2: Convert to fraction form
    2,666,815.46/3,680,215.02 = 1,443,120.87/x
  3. Step 3: Cross multiply
    2,666,815.46x = 3,680,215.02 × 1,443,120.87
  4. Step 4: Simplify right side
    2,666,815.46x = 5,310,995,101,449.47
  5. Step 5: Solve for x
    x = 5,310,995,101,449.47/2,666,815.46
  6. Step 6: Final answer
    x = 1,991,512.05

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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.