Home / 2,984,538.28-4,115,736.90-1,894,918.15

Finding the Fourth Proportional to 2,984,538.28, 4,115,736.90 and 1,894,918.15

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Solution

The fourth proportional to 2,984,538.28, 4,115,736.90 and 1,894,918.15 is: 2,613,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,538.28 : 4,115,736.90 = 1,894,918.15 : x
  2. Step 2: Convert to fraction form
    2,984,538.28/4,115,736.90 = 1,894,918.15/x
  3. Step 3: Cross multiply
    2,984,538.28x = 4,115,736.90 × 1,894,918.15
  4. Step 4: Simplify right side
    2,984,538.28x = 7,798,984,542,145.39
  5. Step 5: Solve for x
    x = 7,798,984,542,145.39/2,984,538.28
  6. Step 6: Final answer
    x = 2,613,129.34

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.