Home / 3,259,572.40-4,889,139.90-863,365.60

Finding the Fourth Proportional to 3,259,572.40, 4,889,139.90 and 863,365.60

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Solution

The fourth proportional to 3,259,572.40, 4,889,139.90 and 863,365.60 is: 1,294,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,572.40 : 4,889,139.90 = 863,365.60 : x
  2. Step 2: Convert to fraction form
    3,259,572.40/4,889,139.90 = 863,365.60/x
  3. Step 3: Cross multiply
    3,259,572.40x = 4,889,139.90 × 863,365.60
  4. Step 4: Simplify right side
    3,259,572.40x = 4,221,115,203,247.44
  5. Step 5: Solve for x
    x = 4,221,115,203,247.44/3,259,572.40
  6. Step 6: Final answer
    x = 1,294,990.47

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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.