Home / 2,225,403.30-3,071,057.37-1,206,807.78

Finding the Fourth Proportional to 2,225,403.30, 3,071,057.37 and 1,206,807.78

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Solution

The fourth proportional to 2,225,403.30, 3,071,057.37 and 1,206,807.78 is: 1,665,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,403.30 : 3,071,057.37 = 1,206,807.78 : x
  2. Step 2: Convert to fraction form
    2,225,403.30/3,071,057.37 = 1,206,807.78/x
  3. Step 3: Cross multiply
    2,225,403.30x = 3,071,057.37 × 1,206,807.78
  4. Step 4: Simplify right side
    2,225,403.30x = 3,706,175,926,942.34
  5. Step 5: Solve for x
    x = 3,706,175,926,942.34/2,225,403.30
  6. Step 6: Final answer
    x = 1,665,395.18

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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.