Home / 3,146,686.80-4,720,030.20-2,792,101.20

Finding the Fourth Proportional to 3,146,686.80, 4,720,030.20 and 2,792,101.20

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Solution

The fourth proportional to 3,146,686.80, 4,720,030.20 and 2,792,101.20 is: 4,188,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,686.80 : 4,720,030.20 = 2,792,101.20 : x
  2. Step 2: Convert to fraction form
    3,146,686.80/4,720,030.20 = 2,792,101.20/x
  3. Step 3: Cross multiply
    3,146,686.80x = 4,720,030.20 × 2,792,101.20
  4. Step 4: Simplify right side
    3,146,686.80x = 13,178,801,985,456.24
  5. Step 5: Solve for x
    x = 13,178,801,985,456.24/3,146,686.80
  6. Step 6: Final answer
    x = 4,188,151.80

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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.