Home / 3,788,189.96-5,227,616.20-2,069,318.12

Finding the Fourth Proportional to 3,788,189.96, 5,227,616.20 and 2,069,318.12

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Solution

The fourth proportional to 3,788,189.96, 5,227,616.20 and 2,069,318.12 is: 2,855,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,189.96 : 5,227,616.20 = 2,069,318.12 : x
  2. Step 2: Convert to fraction form
    3,788,189.96/5,227,616.20 = 2,069,318.12/x
  3. Step 3: Cross multiply
    3,788,189.96x = 5,227,616.20 × 2,069,318.12
  4. Step 4: Simplify right side
    3,788,189.96x = 10,817,600,927,065.54
  5. Step 5: Solve for x
    x = 10,817,600,927,065.54/3,788,189.96
  6. Step 6: Final answer
    x = 2,855,612.06

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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.