Home / 1,947,040.88-2,685,171.06-1,621,432.11

Finding the Fourth Proportional to 1,947,040.88, 2,685,171.06 and 1,621,432.11

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Solution

The fourth proportional to 1,947,040.88, 2,685,171.06 and 1,621,432.11 is: 2,236,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,040.88 : 2,685,171.06 = 1,621,432.11 : x
  2. Step 2: Convert to fraction form
    1,947,040.88/2,685,171.06 = 1,621,432.11/x
  3. Step 3: Cross multiply
    1,947,040.88x = 2,685,171.06 × 1,621,432.11
  4. Step 4: Simplify right side
    1,947,040.88x = 4,353,822,587,596.13
  5. Step 5: Solve for x
    x = 4,353,822,587,596.13/1,947,040.88
  6. Step 6: Final answer
    x = 2,236,122.85

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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.