Home / 3,898,261.79-5,818,840.28-3,438,073.25

Finding the Fourth Proportional to 3,898,261.79, 5,818,840.28 and 3,438,073.25

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Solution

The fourth proportional to 3,898,261.79, 5,818,840.28 and 3,438,073.25 is: 5,131,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,261.79 : 5,818,840.28 = 3,438,073.25 : x
  2. Step 2: Convert to fraction form
    3,898,261.79/5,818,840.28 = 3,438,073.25/x
  3. Step 3: Cross multiply
    3,898,261.79x = 5,818,840.28 × 3,438,073.25
  4. Step 4: Simplify right side
    3,898,261.79x = 20,005,599,120,458.53
  5. Step 5: Solve for x
    x = 20,005,599,120,458.53/3,898,261.79
  6. Step 6: Final answer
    x = 5,131,928.08

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.