Home / 2,098,130.08-3,147,195.11-1,387,992.04

Finding the Fourth Proportional to 2,098,130.08, 3,147,195.11 and 1,387,992.04

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Solution

The fourth proportional to 2,098,130.08, 3,147,195.11 and 1,387,992.04 is: 2,081,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,130.08 : 3,147,195.11 = 1,387,992.04 : x
  2. Step 2: Convert to fraction form
    2,098,130.08/3,147,195.11 = 1,387,992.04/x
  3. Step 3: Cross multiply
    2,098,130.08x = 3,147,195.11 × 1,387,992.04
  4. Step 4: Simplify right side
    2,098,130.08x = 4,368,281,738,330.99
  5. Step 5: Solve for x
    x = 4,368,281,738,330.99/2,098,130.08
  6. Step 6: Final answer
    x = 2,081,988.05

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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.