Home / 2,109,747.33-2,911,439.30-1,142,896.23

Finding the Fourth Proportional to 2,109,747.33, 2,911,439.30 and 1,142,896.23

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Solution

The fourth proportional to 2,109,747.33, 2,911,439.30 and 1,142,896.23 is: 1,577,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,747.33 : 2,911,439.30 = 1,142,896.23 : x
  2. Step 2: Convert to fraction form
    2,109,747.33/2,911,439.30 = 1,142,896.23/x
  3. Step 3: Cross multiply
    2,109,747.33x = 2,911,439.30 × 1,142,896.23
  4. Step 4: Simplify right side
    2,109,747.33x = 3,327,472,994,129.36
  5. Step 5: Solve for x
    x = 3,327,472,994,129.36/2,109,747.33
  6. Step 6: Final answer
    x = 1,577,190.29

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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.