Home / 1,942,040.61-2,680,331.81-1,168,453.35

Finding the Fourth Proportional to 1,942,040.61, 2,680,331.81 and 1,168,453.35

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Solution

The fourth proportional to 1,942,040.61, 2,680,331.81 and 1,168,453.35 is: 1,612,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,040.61 : 2,680,331.81 = 1,168,453.35 : x
  2. Step 2: Convert to fraction form
    1,942,040.61/2,680,331.81 = 1,168,453.35/x
  3. Step 3: Cross multiply
    1,942,040.61x = 2,680,331.81 × 1,168,453.35
  4. Step 4: Simplify right side
    1,942,040.61x = 3,131,842,676,663.80
  5. Step 5: Solve for x
    x = 3,131,842,676,663.80/1,942,040.61
  6. Step 6: Final answer
    x = 1,612,655.61

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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.