Home / 4,155,345.20-6,233,017.80-3,987,383.60

Finding the Fourth Proportional to 4,155,345.20, 6,233,017.80 and 3,987,383.60

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Solution

The fourth proportional to 4,155,345.20, 6,233,017.80 and 3,987,383.60 is: 5,981,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155,345.20 : 6,233,017.80 = 3,987,383.60 : x
  2. Step 2: Convert to fraction form
    4,155,345.20/6,233,017.80 = 3,987,383.60/x
  3. Step 3: Cross multiply
    4,155,345.20x = 6,233,017.80 × 3,987,383.60
  4. Step 4: Simplify right side
    4,155,345.20x = 24,853,432,954,228.08
  5. Step 5: Solve for x
    x = 24,853,432,954,228.08/4,155,345.20
  6. Step 6: Final answer
    x = 5,981,075.40

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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.