Home / 5,195,926.77-7,170,628.86-2,872,776.30

Finding the Fourth Proportional to 5,195,926.77, 7,170,628.86 and 2,872,776.30

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Solution

The fourth proportional to 5,195,926.77, 7,170,628.86 and 2,872,776.30 is: 3,964,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195,926.77 : 7,170,628.86 = 2,872,776.30 : x
  2. Step 2: Convert to fraction form
    5,195,926.77/7,170,628.86 = 2,872,776.30/x
  3. Step 3: Cross multiply
    5,195,926.77x = 7,170,628.86 × 2,872,776.30
  4. Step 4: Simplify right side
    5,195,926.77x = 20,599,612,645,104.02
  5. Step 5: Solve for x
    x = 20,599,612,645,104.02/5,195,926.77
  6. Step 6: Final answer
    x = 3,964,569.47

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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.