Home / 2,685,340.30-4,028,010.45-1,623,657.10

Finding the Fourth Proportional to 2,685,340.30, 4,028,010.45 and 1,623,657.10

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Solution

The fourth proportional to 2,685,340.30, 4,028,010.45 and 1,623,657.10 is: 2,435,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,340.30 : 4,028,010.45 = 1,623,657.10 : x
  2. Step 2: Convert to fraction form
    2,685,340.30/4,028,010.45 = 1,623,657.10/x
  3. Step 3: Cross multiply
    2,685,340.30x = 4,028,010.45 × 1,623,657.10
  4. Step 4: Simplify right side
    2,685,340.30x = 6,540,107,766,016.70
  5. Step 5: Solve for x
    x = 6,540,107,766,016.70/2,685,340.30
  6. Step 6: Final answer
    x = 2,435,485.65

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Double scale
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Similar ratio
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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.