Home / 1,976,876.25-2,961,928.98-1,078,947.96

Finding the Fourth Proportional to 1,976,876.25, 2,961,928.98 and 1,078,947.96

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Solution

The fourth proportional to 1,976,876.25, 2,961,928.98 and 1,078,947.96 is: 1,616,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,876.25 : 2,961,928.98 = 1,078,947.96 : x
  2. Step 2: Convert to fraction form
    1,976,876.25/2,961,928.98 = 1,078,947.96/x
  3. Step 3: Cross multiply
    1,976,876.25x = 2,961,928.98 × 1,078,947.96
  4. Step 4: Simplify right side
    1,976,876.25x = 3,195,767,230,635.88
  5. Step 5: Solve for x
    x = 3,195,767,230,635.88/1,976,876.25
  6. Step 6: Final answer
    x = 1,616,574.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.