Home / 3,400,013.10-5,100,019.65-2,957,145.60

Finding the Fourth Proportional to 3,400,013.10, 5,100,019.65 and 2,957,145.60

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Solution

The fourth proportional to 3,400,013.10, 5,100,019.65 and 2,957,145.60 is: 4,435,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,013.10 : 5,100,019.65 = 2,957,145.60 : x
  2. Step 2: Convert to fraction form
    3,400,013.10/5,100,019.65 = 2,957,145.60/x
  3. Step 3: Cross multiply
    3,400,013.10x = 5,100,019.65 × 2,957,145.60
  4. Step 4: Simplify right side
    3,400,013.10x = 15,081,500,667,911.04
  5. Step 5: Solve for x
    x = 15,081,500,667,911.04/3,400,013.10
  6. Step 6: Final answer
    x = 4,435,718.40

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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.