Home / 3,420,733.80-4,721,113.44-1,970,146.92

Finding the Fourth Proportional to 3,420,733.80, 4,721,113.44 and 1,970,146.92

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Solution

The fourth proportional to 3,420,733.80, 4,721,113.44 and 1,970,146.92 is: 2,719,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,733.80 : 4,721,113.44 = 1,970,146.92 : x
  2. Step 2: Convert to fraction form
    3,420,733.80/4,721,113.44 = 1,970,146.92/x
  3. Step 3: Cross multiply
    3,420,733.80x = 4,721,113.44 × 1,970,146.92
  4. Step 4: Simplify right side
    3,420,733.80x = 9,301,287,102,786.61
  5. Step 5: Solve for x
    x = 9,301,287,102,786.61/3,420,733.80
  6. Step 6: Final answer
    x = 2,719,091.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.