Home / 3,520,419.66-5,281,766.74-1,628,402.22

Finding the Fourth Proportional to 3,520,419.66, 5,281,766.74 and 1,628,402.22

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Solution

The fourth proportional to 3,520,419.66, 5,281,766.74 and 1,628,402.22 is: 2,443,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,419.66 : 5,281,766.74 = 1,628,402.22 : x
  2. Step 2: Convert to fraction form
    3,520,419.66/5,281,766.74 = 1,628,402.22/x
  3. Step 3: Cross multiply
    3,520,419.66x = 5,281,766.74 × 1,628,402.22
  4. Step 4: Simplify right side
    3,520,419.66x = 8,600,840,684,938.16
  5. Step 5: Solve for x
    x = 8,600,840,684,938.16/3,520,419.66
  6. Step 6: Final answer
    x = 2,443,129.38

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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.