Home / 5,128,623.45-7,692,935.18-3,932,881.20

Finding the Fourth Proportional to 5,128,623.45, 7,692,935.18 and 3,932,881.20

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Solution

The fourth proportional to 5,128,623.45, 7,692,935.18 and 3,932,881.20 is: 5,899,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,623.45 : 7,692,935.18 = 3,932,881.20 : x
  2. Step 2: Convert to fraction form
    5,128,623.45/7,692,935.18 = 3,932,881.20/x
  3. Step 3: Cross multiply
    5,128,623.45x = 7,692,935.18 × 3,932,881.20
  4. Step 4: Simplify right side
    5,128,623.45x = 30,255,400,122,576.21
  5. Step 5: Solve for x
    x = 30,255,400,122,576.21/5,128,623.45
  6. Step 6: Final answer
    x = 5,899,321.80

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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.