Home / 3,888,786.72-5,365,724.16-2,234,614.24

Finding the Fourth Proportional to 3,888,786.72, 5,365,724.16 and 2,234,614.24

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Solution

The fourth proportional to 3,888,786.72, 5,365,724.16 and 2,234,614.24 is: 3,083,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,786.72 : 5,365,724.16 = 2,234,614.24 : x
  2. Step 2: Convert to fraction form
    3,888,786.72/5,365,724.16 = 2,234,614.24/x
  3. Step 3: Cross multiply
    3,888,786.72x = 5,365,724.16 × 2,234,614.24
  4. Step 4: Simplify right side
    3,888,786.72x = 11,990,323,615,848.04
  5. Step 5: Solve for x
    x = 11,990,323,615,848.04/3,888,786.72
  6. Step 6: Final answer
    x = 3,083,307.08

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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.