Home / 2,190,824.60-3,285,740.10-991,955.48

Finding the Fourth Proportional to 2,190,824.60, 3,285,740.10 and 991,955.48

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Solution

The fourth proportional to 2,190,824.60, 3,285,740.10 and 991,955.48 is: 1,487,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,824.60 : 3,285,740.10 = 991,955.48 : x
  2. Step 2: Convert to fraction form
    2,190,824.60/3,285,740.10 = 991,955.48/x
  3. Step 3: Cross multiply
    2,190,824.60x = 3,285,740.10 × 991,955.48
  4. Step 4: Simplify right side
    2,190,824.60x = 3,259,307,898,050.75
  5. Step 5: Solve for x
    x = 3,259,307,898,050.75/2,190,824.60
  6. Step 6: Final answer
    x = 1,487,708.28

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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.