Home / 2,586,081.66-3,879,729.06-788,964.48

Finding the Fourth Proportional to 2,586,081.66, 3,879,729.06 and 788,964.48

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Solution

The fourth proportional to 2,586,081.66, 3,879,729.06 and 788,964.48 is: 1,183,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,081.66 : 3,879,729.06 = 788,964.48 : x
  2. Step 2: Convert to fraction form
    2,586,081.66/3,879,729.06 = 788,964.48/x
  3. Step 3: Cross multiply
    2,586,081.66x = 3,879,729.06 × 788,964.48
  4. Step 4: Simplify right side
    2,586,081.66x = 3,060,968,420,363.79
  5. Step 5: Solve for x
    x = 3,060,968,420,363.79/2,586,081.66
  6. Step 6: Final answer
    x = 1,183,631.77

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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.