Home / 5,255,999.20-7,883,998.80-3,010,290.40

Finding the Fourth Proportional to 5,255,999.20, 7,883,998.80 and 3,010,290.40

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Solution

The fourth proportional to 5,255,999.20, 7,883,998.80 and 3,010,290.40 is: 4,515,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,999.20 : 7,883,998.80 = 3,010,290.40 : x
  2. Step 2: Convert to fraction form
    5,255,999.20/7,883,998.80 = 3,010,290.40/x
  3. Step 3: Cross multiply
    5,255,999.20x = 7,883,998.80 × 3,010,290.40
  4. Step 4: Simplify right side
    5,255,999.20x = 23,733,125,901,251.52
  5. Step 5: Solve for x
    x = 23,733,125,901,251.52/5,255,999.20
  6. Step 6: Final answer
    x = 4,515,435.60

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Similar ratio
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1.5x scale

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.