Home / 3,115,928.96-4,299,957.60-1,685,144.96

Finding the Fourth Proportional to 3,115,928.96, 4,299,957.60 and 1,685,144.96

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Solution

The fourth proportional to 3,115,928.96, 4,299,957.60 and 1,685,144.96 is: 2,325,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,928.96 : 4,299,957.60 = 1,685,144.96 : x
  2. Step 2: Convert to fraction form
    3,115,928.96/4,299,957.60 = 1,685,144.96/x
  3. Step 3: Cross multiply
    3,115,928.96x = 4,299,957.60 × 1,685,144.96
  4. Step 4: Simplify right side
    3,115,928.96x = 7,246,051,877,853.70
  5. Step 5: Solve for x
    x = 7,246,051,877,853.70/3,115,928.96
  6. Step 6: Final answer
    x = 2,325,486.87

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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.