Home / 2,851,290-3,933,811.42-1,626,715.80

Finding the Fourth Proportional to 2,851,290, 3,933,811.42 and 1,626,715.80

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Solution

The fourth proportional to 2,851,290, 3,933,811.42 and 1,626,715.80 is: 2,244,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,290 : 3,933,811.42 = 1,626,715.80 : x
  2. Step 2: Convert to fraction form
    2,851,290/3,933,811.42 = 1,626,715.80/x
  3. Step 3: Cross multiply
    2,851,290x = 3,933,811.42 × 1,626,715.80
  4. Step 4: Simplify right side
    2,851,290x = 6,399,193,191,134.44
  5. Step 5: Solve for x
    x = 6,399,193,191,134.44/2,851,290
  6. Step 6: Final answer
    x = 2,244,315.10

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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.