Home / 2,084,428.80-3,125,241.60-821,606.40

Finding the Fourth Proportional to 2,084,428.80, 3,125,241.60 and 821,606.40

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Solution

The fourth proportional to 2,084,428.80, 3,125,241.60 and 821,606.40 is: 1,231,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,428.80 : 3,125,241.60 = 821,606.40 : x
  2. Step 2: Convert to fraction form
    2,084,428.80/3,125,241.60 = 821,606.40/x
  3. Step 3: Cross multiply
    2,084,428.80x = 3,125,241.60 × 821,606.40
  4. Step 4: Simplify right side
    2,084,428.80x = 2,567,718,500,106.24
  5. Step 5: Solve for x
    x = 2,567,718,500,106.24/2,084,428.80
  6. Step 6: Final answer
    x = 1,231,857.14

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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.