Home / 3,013,098.91-4,519,148.65-991,367.47

Finding the Fourth Proportional to 3,013,098.91, 4,519,148.65 and 991,367.47

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Solution

The fourth proportional to 3,013,098.91, 4,519,148.65 and 991,367.47 is: 1,486,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,098.91 : 4,519,148.65 = 991,367.47 : x
  2. Step 2: Convert to fraction form
    3,013,098.91/4,519,148.65 = 991,367.47/x
  3. Step 3: Cross multiply
    3,013,098.91x = 4,519,148.65 × 991,367.47
  4. Step 4: Simplify right side
    3,013,098.91x = 4,480,136,963,704.42
  5. Step 5: Solve for x
    x = 4,480,136,963,704.42/3,013,098.91
  6. Step 6: Final answer
    x = 1,486,886.79

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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.