Home / 2,628,337.40-3,943,818.30-1,491,972.20

Finding the Fourth Proportional to 2,628,337.40, 3,943,818.30 and 1,491,972.20

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Solution

The fourth proportional to 2,628,337.40, 3,943,818.30 and 1,491,972.20 is: 2,238,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,337.40 : 3,943,818.30 = 1,491,972.20 : x
  2. Step 2: Convert to fraction form
    2,628,337.40/3,943,818.30 = 1,491,972.20/x
  3. Step 3: Cross multiply
    2,628,337.40x = 3,943,818.30 × 1,491,972.20
  4. Step 4: Simplify right side
    2,628,337.40x = 5,884,067,265,451.26
  5. Step 5: Solve for x
    x = 5,884,067,265,451.26/2,628,337.40
  6. Step 6: Final answer
    x = 2,238,703.17

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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.