Home / 5,132,286.86-7,081,766.88-2,956,405.02

Finding the Fourth Proportional to 5,132,286.86, 7,081,766.88 and 2,956,405.02

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Solution

The fourth proportional to 5,132,286.86, 7,081,766.88 and 2,956,405.02 is: 4,079,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132,286.86 : 7,081,766.88 = 2,956,405.02 : x
  2. Step 2: Convert to fraction form
    5,132,286.86/7,081,766.88 = 2,956,405.02/x
  3. Step 3: Cross multiply
    5,132,286.86x = 7,081,766.88 × 2,956,405.02
  4. Step 4: Simplify right side
    5,132,286.86x = 20,936,571,154,501.74
  5. Step 5: Solve for x
    x = 20,936,571,154,501.74/5,132,286.86
  6. Step 6: Final answer
    x = 4,079,384.44

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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.