Home / 3,209,526.09-4,429,600.20-1,986,225.62

Finding the Fourth Proportional to 3,209,526.09, 4,429,600.20 and 1,986,225.62

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Solution

The fourth proportional to 3,209,526.09, 4,429,600.20 and 1,986,225.62 is: 2,741,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,526.09 : 4,429,600.20 = 1,986,225.62 : x
  2. Step 2: Convert to fraction form
    3,209,526.09/4,429,600.20 = 1,986,225.62/x
  3. Step 3: Cross multiply
    3,209,526.09x = 4,429,600.20 × 1,986,225.62
  4. Step 4: Simplify right side
    3,209,526.09x = 8,798,185,381,449.12
  5. Step 5: Solve for x
    x = 8,798,185,381,449.12/3,209,526.09
  6. Step 6: Final answer
    x = 2,741,272.43

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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.