Home / 3,115,836.28-4,299,867-1,685,052.28

Finding the Fourth Proportional to 3,115,836.28, 4,299,867 and 1,685,052.28

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Solution

The fourth proportional to 3,115,836.28, 4,299,867 and 1,685,052.28 is: 2,325,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,836.28 : 4,299,867 = 1,685,052.28 : x
  2. Step 2: Convert to fraction form
    3,115,836.28/4,299,867 = 1,685,052.28/x
  3. Step 3: Cross multiply
    3,115,836.28x = 4,299,867 × 1,685,052.28
  4. Step 4: Simplify right side
    3,115,836.28x = 7,245,500,692,046.76
  5. Step 5: Solve for x
    x = 7,245,500,692,046.76/3,115,836.28
  6. Step 6: Final answer
    x = 2,325,379.14

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1.5x scale

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.