Home / 3,128,104.96-4,694,395.20-1,332,246.40

Finding the Fourth Proportional to 3,128,104.96, 4,694,395.20 and 1,332,246.40

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Solution

The fourth proportional to 3,128,104.96, 4,694,395.20 and 1,332,246.40 is: 1,999,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,104.96 : 4,694,395.20 = 1,332,246.40 : x
  2. Step 2: Convert to fraction form
    3,128,104.96/4,694,395.20 = 1,332,246.40/x
  3. Step 3: Cross multiply
    3,128,104.96x = 4,694,395.20 × 1,332,246.40
  4. Step 4: Simplify right side
    3,128,104.96x = 6,254,091,105,377.28
  5. Step 5: Solve for x
    x = 6,254,091,105,377.28/3,128,104.96
  6. Step 6: Final answer
    x = 1,999,322.65

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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.