Home / 2,205,982.79-3,043,784.03-1,287,795.24

Finding the Fourth Proportional to 2,205,982.79, 3,043,784.03 and 1,287,795.24

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Solution

The fourth proportional to 2,205,982.79, 3,043,784.03 and 1,287,795.24 is: 1,776,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,982.79 : 3,043,784.03 = 1,287,795.24 : x
  2. Step 2: Convert to fraction form
    2,205,982.79/3,043,784.03 = 1,287,795.24/x
  3. Step 3: Cross multiply
    2,205,982.79x = 3,043,784.03 × 1,287,795.24
  4. Step 4: Simplify right side
    2,205,982.79x = 3,919,770,586,226.89
  5. Step 5: Solve for x
    x = 3,919,770,586,226.89/2,205,982.79
  6. Step 6: Final answer
    x = 1,776,881.76

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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.