Home / 4,238,840.42-5,849,641.29-2,305,142.78

Finding the Fourth Proportional to 4,238,840.42, 5,849,641.29 and 2,305,142.78

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Solution

The fourth proportional to 4,238,840.42, 5,849,641.29 and 2,305,142.78 is: 3,181,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238,840.42 : 5,849,641.29 = 2,305,142.78 : x
  2. Step 2: Convert to fraction form
    4,238,840.42/5,849,641.29 = 2,305,142.78/x
  3. Step 3: Cross multiply
    4,238,840.42x = 5,849,641.29 × 2,305,142.78
  4. Step 4: Simplify right side
    4,238,840.42x = 13,484,258,385,233.38
  5. Step 5: Solve for x
    x = 13,484,258,385,233.38/4,238,840.42
  6. Step 6: Final answer
    x = 3,181,119.61

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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.