Home / 2,168,807.40-3,253,211.10-2,066,164.20

Finding the Fourth Proportional to 2,168,807.40, 3,253,211.10 and 2,066,164.20

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Solution

The fourth proportional to 2,168,807.40, 3,253,211.10 and 2,066,164.20 is: 3,099,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,807.40 : 3,253,211.10 = 2,066,164.20 : x
  2. Step 2: Convert to fraction form
    2,168,807.40/3,253,211.10 = 2,066,164.20/x
  3. Step 3: Cross multiply
    2,168,807.40x = 3,253,211.10 × 2,066,164.20
  4. Step 4: Simplify right side
    2,168,807.40x = 6,721,668,309,862.62
  5. Step 5: Solve for x
    x = 6,721,668,309,862.62/2,168,807.40
  6. Step 6: Final answer
    x = 3,099,246.30

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Double scale
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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.