Home / 2,313,058.20-3,191,951.76-1,280,611.98

Finding the Fourth Proportional to 2,313,058.20, 3,191,951.76 and 1,280,611.98

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Solution

The fourth proportional to 2,313,058.20, 3,191,951.76 and 1,280,611.98 is: 1,767,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313,058.20 : 3,191,951.76 = 1,280,611.98 : x
  2. Step 2: Convert to fraction form
    2,313,058.20/3,191,951.76 = 1,280,611.98/x
  3. Step 3: Cross multiply
    2,313,058.20x = 3,191,951.76 × 1,280,611.98
  4. Step 4: Simplify right side
    2,313,058.20x = 4,087,651,663,438.08
  5. Step 5: Solve for x
    x = 4,087,651,663,438.08/2,313,058.20
  6. Step 6: Final answer
    x = 1,767,206.58

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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.