Home / 2,920,078.08-4,379,356.80-1,236,314.88

Finding the Fourth Proportional to 2,920,078.08, 4,379,356.80 and 1,236,314.88

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Solution

The fourth proportional to 2,920,078.08, 4,379,356.80 and 1,236,314.88 is: 1,854,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,078.08 : 4,379,356.80 = 1,236,314.88 : x
  2. Step 2: Convert to fraction form
    2,920,078.08/4,379,356.80 = 1,236,314.88/x
  3. Step 3: Cross multiply
    2,920,078.08x = 4,379,356.80 × 1,236,314.88
  4. Step 4: Simplify right side
    2,920,078.08x = 5,414,263,976,669.18
  5. Step 5: Solve for x
    x = 5,414,263,976,669.18/2,920,078.08
  6. Step 6: Final answer
    x = 1,854,150.41

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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.