Home / 6,181,478.42-8,530,140.38-3,428,275.05

Finding the Fourth Proportional to 6,181,478.42, 8,530,140.38 and 3,428,275.05

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Solution

The fourth proportional to 6,181,478.42, 8,530,140.38 and 3,428,275.05 is: 4,730,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181,478.42 : 8,530,140.38 = 3,428,275.05 : x
  2. Step 2: Convert to fraction form
    6,181,478.42/8,530,140.38 = 3,428,275.05/x
  3. Step 3: Cross multiply
    6,181,478.42x = 8,530,140.38 × 3,428,275.05
  4. Step 4: Simplify right side
    6,181,478.42x = 29,243,667,420,610.14
  5. Step 5: Solve for x
    x = 29,243,667,420,610.14/6,181,478.42
  6. Step 6: Final answer
    x = 4,730,853.28

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Double scale
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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.