Home / 2,898,191.40-4,347,287.10-1,776,892.20

Finding the Fourth Proportional to 2,898,191.40, 4,347,287.10 and 1,776,892.20

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Solution

The fourth proportional to 2,898,191.40, 4,347,287.10 and 1,776,892.20 is: 2,665,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,191.40 : 4,347,287.10 = 1,776,892.20 : x
  2. Step 2: Convert to fraction form
    2,898,191.40/4,347,287.10 = 1,776,892.20/x
  3. Step 3: Cross multiply
    2,898,191.40x = 4,347,287.10 × 1,776,892.20
  4. Step 4: Simplify right side
    2,898,191.40x = 7,724,660,539,150.62
  5. Step 5: Solve for x
    x = 7,724,660,539,150.62/2,898,191.40
  6. Step 6: Final answer
    x = 2,665,338.30

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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.