Home / 2,169,504.71-3,254,732.94-821,677.28

Finding the Fourth Proportional to 2,169,504.71, 3,254,732.94 and 821,677.28

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Solution

The fourth proportional to 2,169,504.71, 3,254,732.94 and 821,677.28 is: 1,232,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,504.71 : 3,254,732.94 = 821,677.28 : x
  2. Step 2: Convert to fraction form
    2,169,504.71/3,254,732.94 = 821,677.28/x
  3. Step 3: Cross multiply
    2,169,504.71x = 3,254,732.94 × 821,677.28
  4. Step 4: Simplify right side
    2,169,504.71x = 2,674,340,109,265.60
  5. Step 5: Solve for x
    x = 2,674,340,109,265.60/2,169,504.71
  6. Step 6: Final answer
    x = 1,232,696.15

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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.