Home / 2,751,014.40-4,126,521.60-857,740.80

Finding the Fourth Proportional to 2,751,014.40, 4,126,521.60 and 857,740.80

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Solution

The fourth proportional to 2,751,014.40, 4,126,521.60 and 857,740.80 is: 1,286,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,014.40 : 4,126,521.60 = 857,740.80 : x
  2. Step 2: Convert to fraction form
    2,751,014.40/4,126,521.60 = 857,740.80/x
  3. Step 3: Cross multiply
    2,751,014.40x = 4,126,521.60 × 857,740.80
  4. Step 4: Simplify right side
    2,751,014.40x = 3,539,485,938,401.28
  5. Step 5: Solve for x
    x = 3,539,485,938,401.28/2,751,014.40
  6. Step 6: Final answer
    x = 1,286,611.20

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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.