Home / 3,430,142.48-5,141,583.48-1,153,499.60

Finding the Fourth Proportional to 3,430,142.48, 5,141,583.48 and 1,153,499.60

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Solution

The fourth proportional to 3,430,142.48, 5,141,583.48 and 1,153,499.60 is: 1,729,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,142.48 : 5,141,583.48 = 1,153,499.60 : x
  2. Step 2: Convert to fraction form
    3,430,142.48/5,141,583.48 = 1,153,499.60/x
  3. Step 3: Cross multiply
    3,430,142.48x = 5,141,583.48 × 1,153,499.60
  4. Step 4: Simplify right side
    3,430,142.48x = 5,930,814,487,546.61
  5. Step 5: Solve for x
    x = 5,930,814,487,546.61/3,430,142.48
  6. Step 6: Final answer
    x = 1,729,028.61

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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.