Home / 3,105,165.44-4,656,172.98-1,420,825.52

Finding the Fourth Proportional to 3,105,165.44, 4,656,172.98 and 1,420,825.52

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Solution

The fourth proportional to 3,105,165.44, 4,656,172.98 and 1,420,825.52 is: 2,130,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,165.44 : 4,656,172.98 = 1,420,825.52 : x
  2. Step 2: Convert to fraction form
    3,105,165.44/4,656,172.98 = 1,420,825.52/x
  3. Step 3: Cross multiply
    3,105,165.44x = 4,656,172.98 × 1,420,825.52
  4. Step 4: Simplify right side
    3,105,165.44x = 6,615,609,395,518.45
  5. Step 5: Solve for x
    x = 6,615,609,395,518.45/3,105,165.44
  6. Step 6: Final answer
    x = 2,130,517.53

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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.