Home / 2,555,999.20-3,833,998.80-2,539,410.40

Finding the Fourth Proportional to 2,555,999.20, 3,833,998.80 and 2,539,410.40

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Solution

The fourth proportional to 2,555,999.20, 3,833,998.80 and 2,539,410.40 is: 3,809,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555,999.20 : 3,833,998.80 = 2,539,410.40 : x
  2. Step 2: Convert to fraction form
    2,555,999.20/3,833,998.80 = 2,539,410.40/x
  3. Step 3: Cross multiply
    2,555,999.20x = 3,833,998.80 × 2,539,410.40
  4. Step 4: Simplify right side
    2,555,999.20x = 9,736,096,426,307.52
  5. Step 5: Solve for x
    x = 9,736,096,426,307.52/2,555,999.20
  6. Step 6: Final answer
    x = 3,809,115.60

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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.