Home / 5,173,598.12-7,139,785.70-2,881,758.20

Finding the Fourth Proportional to 5,173,598.12, 7,139,785.70 and 2,881,758.20

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Solution

The fourth proportional to 5,173,598.12, 7,139,785.70 and 2,881,758.20 is: 3,976,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,598.12 : 7,139,785.70 = 2,881,758.20 : x
  2. Step 2: Convert to fraction form
    5,173,598.12/7,139,785.70 = 2,881,758.20/x
  3. Step 3: Cross multiply
    5,173,598.12x = 7,139,785.70 × 2,881,758.20
  4. Step 4: Simplify right side
    5,173,598.12x = 20,575,135,958,723.20
  5. Step 5: Solve for x
    x = 20,575,135,958,723.20/5,173,598.12
  6. Step 6: Final answer
    x = 3,976,949.02

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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.