Home / 2,731,247.40-4,096,871.10-1,310,572.20

Finding the Fourth Proportional to 2,731,247.40, 4,096,871.10 and 1,310,572.20

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Solution

The fourth proportional to 2,731,247.40, 4,096,871.10 and 1,310,572.20 is: 1,965,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,247.40 : 4,096,871.10 = 1,310,572.20 : x
  2. Step 2: Convert to fraction form
    2,731,247.40/4,096,871.10 = 1,310,572.20/x
  3. Step 3: Cross multiply
    2,731,247.40x = 4,096,871.10 × 1,310,572.20
  4. Step 4: Simplify right side
    2,731,247.40x = 5,369,245,370,643.42
  5. Step 5: Solve for x
    x = 5,369,245,370,643.42/2,731,247.40
  6. Step 6: Final answer
    x = 1,965,858.30

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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.