Home / 3,420,630.20-5,127,737.70-1,292,144.60

Finding the Fourth Proportional to 3,420,630.20, 5,127,737.70 and 1,292,144.60

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Solution

The fourth proportional to 3,420,630.20, 5,127,737.70 and 1,292,144.60 is: 1,937,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,630.20 : 5,127,737.70 = 1,292,144.60 : x
  2. Step 2: Convert to fraction form
    3,420,630.20/5,127,737.70 = 1,292,144.60/x
  3. Step 3: Cross multiply
    3,420,630.20x = 5,127,737.70 × 1,292,144.60
  4. Step 4: Simplify right side
    3,420,630.20x = 6,625,778,579,271.42
  5. Step 5: Solve for x
    x = 6,625,778,579,271.42/3,420,630.20
  6. Step 6: Final answer
    x = 1,937,005.23

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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.