Home / 2,087,033.60-3,131,000.04-647,688.80

Finding the Fourth Proportional to 2,087,033.60, 3,131,000.04 and 647,688.80

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Solution

The fourth proportional to 2,087,033.60, 3,131,000.04 and 647,688.80 is: 971,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,033.60 : 3,131,000.04 = 647,688.80 : x
  2. Step 2: Convert to fraction form
    2,087,033.60/3,131,000.04 = 647,688.80/x
  3. Step 3: Cross multiply
    2,087,033.60x = 3,131,000.04 × 647,688.80
  4. Step 4: Simplify right side
    2,087,033.60x = 2,027,913,658,707.55
  5. Step 5: Solve for x
    x = 2,027,913,658,707.55/2,087,033.60
  6. Step 6: Final answer
    x = 971,672.74

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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.