Home / 3,260,047.86-4,890,071.52-1,238,286.78

Finding the Fourth Proportional to 3,260,047.86, 4,890,071.52 and 1,238,286.78

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Solution

The fourth proportional to 3,260,047.86, 4,890,071.52 and 1,238,286.78 is: 1,857,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,047.86 : 4,890,071.52 = 1,238,286.78 : x
  2. Step 2: Convert to fraction form
    3,260,047.86/4,890,071.52 = 1,238,286.78/x
  3. Step 3: Cross multiply
    3,260,047.86x = 4,890,071.52 × 1,238,286.78
  4. Step 4: Simplify right side
    3,260,047.86x = 6,055,310,916,470.51
  5. Step 5: Solve for x
    x = 6,055,310,916,470.51/3,260,047.86
  6. Step 6: Final answer
    x = 1,857,430.07

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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.