Home / 2,078,273.40-3,117,410.10-1,918,841.10

Finding the Fourth Proportional to 2,078,273.40, 3,117,410.10 and 1,918,841.10

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Solution

The fourth proportional to 2,078,273.40, 3,117,410.10 and 1,918,841.10 is: 2,878,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,273.40 : 3,117,410.10 = 1,918,841.10 : x
  2. Step 2: Convert to fraction form
    2,078,273.40/3,117,410.10 = 1,918,841.10/x
  3. Step 3: Cross multiply
    2,078,273.40x = 3,117,410.10 × 1,918,841.10
  4. Step 4: Simplify right side
    2,078,273.40x = 5,981,814,625,435.11
  5. Step 5: Solve for x
    x = 5,981,814,625,435.11/2,078,273.40
  6. Step 6: Final answer
    x = 2,878,261.65

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Double scale
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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.