Home / 2,687,311.78-3,708,490.26-1,480,087.78

Finding the Fourth Proportional to 2,687,311.78, 3,708,490.26 and 1,480,087.78

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Solution

The fourth proportional to 2,687,311.78, 3,708,490.26 and 1,480,087.78 is: 2,042,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,311.78 : 3,708,490.26 = 1,480,087.78 : x
  2. Step 2: Convert to fraction form
    2,687,311.78/3,708,490.26 = 1,480,087.78/x
  3. Step 3: Cross multiply
    2,687,311.78x = 3,708,490.26 × 1,480,087.78
  4. Step 4: Simplify right side
    2,687,311.78x = 5,488,891,116,075.02
  5. Step 5: Solve for x
    x = 5,488,891,116,075.02/2,687,311.78
  6. Step 6: Final answer
    x = 2,042,521.14

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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.