Home / 2,847,143.85-3,929,058.36-1,557,984.39

Finding the Fourth Proportional to 2,847,143.85, 3,929,058.36 and 1,557,984.39

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Solution

The fourth proportional to 2,847,143.85, 3,929,058.36 and 1,557,984.39 is: 2,150,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,143.85 : 3,929,058.36 = 1,557,984.39 : x
  2. Step 2: Convert to fraction form
    2,847,143.85/3,929,058.36 = 1,557,984.39/x
  3. Step 3: Cross multiply
    2,847,143.85x = 3,929,058.36 × 1,557,984.39
  4. Step 4: Simplify right side
    2,847,143.85x = 6,121,411,592,279
  5. Step 5: Solve for x
    x = 6,121,411,592,279/2,847,143.85
  6. Step 6: Final answer
    x = 2,150,018.37

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Double scale
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1.5x scale

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.