Home / 4,771,447.20-7,154,719.20-1,405,216.80

Finding the Fourth Proportional to 4,771,447.20, 7,154,719.20 and 1,405,216.80

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Solution

The fourth proportional to 4,771,447.20, 7,154,719.20 and 1,405,216.80 is: 2,107,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771,447.20 : 7,154,719.20 = 1,405,216.80 : x
  2. Step 2: Convert to fraction form
    4,771,447.20/7,154,719.20 = 1,405,216.80/x
  3. Step 3: Cross multiply
    4,771,447.20x = 7,154,719.20 × 1,405,216.80
  4. Step 4: Simplify right side
    4,771,447.20x = 10,053,931,619,122.56
  5. Step 5: Solve for x
    x = 10,053,931,619,122.56/4,771,447.20
  6. Step 6: Final answer
    x = 2,107,103.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.