Home / 5,173,958.96-7,140,284.28-2,882,121.20

Finding the Fourth Proportional to 5,173,958.96, 7,140,284.28 and 2,882,121.20

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Solution

The fourth proportional to 5,173,958.96, 7,140,284.28 and 2,882,121.20 is: 3,977,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,958.96 : 7,140,284.28 = 2,882,121.20 : x
  2. Step 2: Convert to fraction form
    5,173,958.96/7,140,284.28 = 2,882,121.20/x
  3. Step 3: Cross multiply
    5,173,958.96x = 7,140,284.28 × 2,882,121.20
  4. Step 4: Simplify right side
    5,173,958.96x = 20,579,164,697,414.74
  5. Step 5: Solve for x
    x = 20,579,164,697,414.74/5,173,958.96
  6. Step 6: Final answer
    x = 3,977,450.32

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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.