Home / 3,287,120.81-4,536,139.66-1,836,828.17

Finding the Fourth Proportional to 3,287,120.81, 4,536,139.66 and 1,836,828.17

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Solution

The fourth proportional to 3,287,120.81, 4,536,139.66 and 1,836,828.17 is: 2,534,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,120.81 : 4,536,139.66 = 1,836,828.17 : x
  2. Step 2: Convert to fraction form
    3,287,120.81/4,536,139.66 = 1,836,828.17/x
  3. Step 3: Cross multiply
    3,287,120.81x = 4,536,139.66 × 1,836,828.17
  4. Step 4: Simplify right side
    3,287,120.81x = 8,332,109,083,269.45
  5. Step 5: Solve for x
    x = 8,332,109,083,269.45/3,287,120.81
  6. Step 6: Final answer
    x = 2,534,774.22

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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.