Home / 2,427,431.28-3,622,689-2,158,396.20

Finding the Fourth Proportional to 2,427,431.28, 3,622,689 and 2,158,396.20

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Solution

The fourth proportional to 2,427,431.28, 3,622,689 and 2,158,396.20 is: 3,221,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427,431.28 : 3,622,689 = 2,158,396.20 : x
  2. Step 2: Convert to fraction form
    2,427,431.28/3,622,689 = 2,158,396.20/x
  3. Step 3: Cross multiply
    2,427,431.28x = 3,622,689 × 2,158,396.20
  4. Step 4: Simplify right side
    2,427,431.28x = 7,819,198,171,381.80
  5. Step 5: Solve for x
    x = 7,819,198,171,381.80/2,427,431.28
  6. Step 6: Final answer
    x = 3,221,182.09

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Double scale
Find fourth proportional to 2,427,432.28, 3,622,690.49 and 2,158,397.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.