Home / 2,612,987.40-3,919,479.27-816,024.87

Finding the Fourth Proportional to 2,612,987.40, 3,919,479.27 and 816,024.87

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Solution

The fourth proportional to 2,612,987.40, 3,919,479.27 and 816,024.87 is: 1,224,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,987.40 : 3,919,479.27 = 816,024.87 : x
  2. Step 2: Convert to fraction form
    2,612,987.40/3,919,479.27 = 816,024.87/x
  3. Step 3: Cross multiply
    2,612,987.40x = 3,919,479.27 × 816,024.87
  4. Step 4: Simplify right side
    2,612,987.40x = 3,198,392,573,175.53
  5. Step 5: Solve for x
    x = 3,198,392,573,175.53/2,612,987.40
  6. Step 6: Final answer
    x = 1,224,036.74

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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.