Home / 2,452,145.40-3,678,218.10-2,172,209.40

Finding the Fourth Proportional to 2,452,145.40, 3,678,218.10 and 2,172,209.40

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Solution

The fourth proportional to 2,452,145.40, 3,678,218.10 and 2,172,209.40 is: 3,258,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452,145.40 : 3,678,218.10 = 2,172,209.40 : x
  2. Step 2: Convert to fraction form
    2,452,145.40/3,678,218.10 = 2,172,209.40/x
  3. Step 3: Cross multiply
    2,452,145.40x = 3,678,218.10 × 2,172,209.40
  4. Step 4: Simplify right side
    2,452,145.40x = 7,989,859,932,070.14
  5. Step 5: Solve for x
    x = 7,989,859,932,070.14/2,452,145.40
  6. Step 6: Final answer
    x = 3,258,314.10

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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.