Home / 3,765,780.72-5,196,890.34-2,134,191.24

Finding the Fourth Proportional to 3,765,780.72, 5,196,890.34 and 2,134,191.24

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Solution

The fourth proportional to 3,765,780.72, 5,196,890.34 and 2,134,191.24 is: 2,945,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,780.72 : 5,196,890.34 = 2,134,191.24 : x
  2. Step 2: Convert to fraction form
    3,765,780.72/5,196,890.34 = 2,134,191.24/x
  3. Step 3: Cross multiply
    3,765,780.72x = 5,196,890.34 × 2,134,191.24
  4. Step 4: Simplify right side
    3,765,780.72x = 11,091,157,838,868.62
  5. Step 5: Solve for x
    x = 11,091,157,838,868.62/3,765,780.72
  6. Step 6: Final answer
    x = 2,945,247.92

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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.