Home / 3,110,924.20-4,293,074.42-1,680,140.20

Finding the Fourth Proportional to 3,110,924.20, 4,293,074.42 and 1,680,140.20

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Solution

The fourth proportional to 3,110,924.20, 4,293,074.42 and 1,680,140.20 is: 2,318,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,924.20 : 4,293,074.42 = 1,680,140.20 : x
  2. Step 2: Convert to fraction form
    3,110,924.20/4,293,074.42 = 1,680,140.20/x
  3. Step 3: Cross multiply
    3,110,924.20x = 4,293,074.42 × 1,680,140.20
  4. Step 4: Simplify right side
    3,110,924.20x = 7,212,966,914,633.68
  5. Step 5: Solve for x
    x = 7,212,966,914,633.68/3,110,924.20
  6. Step 6: Final answer
    x = 2,318,592.95

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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.