Home / 6,252,140.40-9,378,210.60-1,992,620.40

Finding the Fourth Proportional to 6,252,140.40, 9,378,210.60 and 1,992,620.40

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Solution

The fourth proportional to 6,252,140.40, 9,378,210.60 and 1,992,620.40 is: 2,988,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252,140.40 : 9,378,210.60 = 1,992,620.40 : x
  2. Step 2: Convert to fraction form
    6,252,140.40/9,378,210.60 = 1,992,620.40/x
  3. Step 3: Cross multiply
    6,252,140.40x = 9,378,210.60 × 1,992,620.40
  4. Step 4: Simplify right side
    6,252,140.40x = 18,687,213,757,056.24
  5. Step 5: Solve for x
    x = 18,687,213,757,056.24/6,252,140.40
  6. Step 6: Final answer
    x = 2,988,930.60

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Similar ratio
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1.5x scale

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.