Home / 3,012,221.44-4,155,839.05-1,925,120.12

Finding the Fourth Proportional to 3,012,221.44, 4,155,839.05 and 1,925,120.12

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Solution

The fourth proportional to 3,012,221.44, 4,155,839.05 and 1,925,120.12 is: 2,656,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,221.44 : 4,155,839.05 = 1,925,120.12 : x
  2. Step 2: Convert to fraction form
    3,012,221.44/4,155,839.05 = 1,925,120.12/x
  3. Step 3: Cross multiply
    3,012,221.44x = 4,155,839.05 × 1,925,120.12
  4. Step 4: Simplify right side
    3,012,221.44x = 8,000,489,370,636.69
  5. Step 5: Solve for x
    x = 8,000,489,370,636.69/3,012,221.44
  6. Step 6: Final answer
    x = 2,656,009.70

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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.