Home / 3,112,117.20-4,668,175.80-2,155,523.40

Finding the Fourth Proportional to 3,112,117.20, 4,668,175.80 and 2,155,523.40

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Solution

The fourth proportional to 3,112,117.20, 4,668,175.80 and 2,155,523.40 is: 3,233,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,117.20 : 4,668,175.80 = 2,155,523.40 : x
  2. Step 2: Convert to fraction form
    3,112,117.20/4,668,175.80 = 2,155,523.40/x
  3. Step 3: Cross multiply
    3,112,117.20x = 4,668,175.80 × 2,155,523.40
  4. Step 4: Simplify right side
    3,112,117.20x = 10,062,362,172,213.72
  5. Step 5: Solve for x
    x = 10,062,362,172,213.72/3,112,117.20
  6. Step 6: Final answer
    x = 3,233,285.10

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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.