Home / 3,712,322.76-5,123,146.23-2,080,760.28

Finding the Fourth Proportional to 3,712,322.76, 5,123,146.23 and 2,080,760.28

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Solution

The fourth proportional to 3,712,322.76, 5,123,146.23 and 2,080,760.28 is: 2,871,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,322.76 : 5,123,146.23 = 2,080,760.28 : x
  2. Step 2: Convert to fraction form
    3,712,322.76/5,123,146.23 = 2,080,760.28/x
  3. Step 3: Cross multiply
    3,712,322.76x = 5,123,146.23 × 2,080,760.28
  4. Step 4: Simplify right side
    3,712,322.76x = 10,660,039,184,015.75
  5. Step 5: Solve for x
    x = 10,660,039,184,015.75/3,712,322.76
  6. Step 6: Final answer
    x = 2,871,528.12

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.