Home / 3,871,548.20-5,342,719.02-2,152,566.20

Finding the Fourth Proportional to 3,871,548.20, 5,342,719.02 and 2,152,566.20

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Solution

The fourth proportional to 3,871,548.20, 5,342,719.02 and 2,152,566.20 is: 2,970,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,548.20 : 5,342,719.02 = 2,152,566.20 : x
  2. Step 2: Convert to fraction form
    3,871,548.20/5,342,719.02 = 2,152,566.20/x
  3. Step 3: Cross multiply
    3,871,548.20x = 5,342,719.02 × 2,152,566.20
  4. Step 4: Simplify right side
    3,871,548.20x = 11,500,556,378,549.12
  5. Step 5: Solve for x
    x = 11,500,556,378,549.12/3,871,548.20
  6. Step 6: Final answer
    x = 2,970,531.63

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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.