Home / 2,872,894.76-3,964,221.86-1,649,253.72

Finding the Fourth Proportional to 2,872,894.76, 3,964,221.86 and 1,649,253.72

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Solution

The fourth proportional to 2,872,894.76, 3,964,221.86 and 1,649,253.72 is: 2,275,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,894.76 : 3,964,221.86 = 1,649,253.72 : x
  2. Step 2: Convert to fraction form
    2,872,894.76/3,964,221.86 = 1,649,253.72/x
  3. Step 3: Cross multiply
    2,872,894.76x = 3,964,221.86 × 1,649,253.72
  4. Step 4: Simplify right side
    2,872,894.76x = 6,538,007,649,510.32
  5. Step 5: Solve for x
    x = 6,538,007,649,510.32/2,872,894.76
  6. Step 6: Final answer
    x = 2,275,756.06

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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.