Home / 1,543,193.56-2,130,166.12-1,256,215.42

Finding the Fourth Proportional to 1,543,193.56, 2,130,166.12 and 1,256,215.42

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Solution

The fourth proportional to 1,543,193.56, 2,130,166.12 and 1,256,215.42 is: 1,734,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,193.56 : 2,130,166.12 = 1,256,215.42 : x
  2. Step 2: Convert to fraction form
    1,543,193.56/2,130,166.12 = 1,256,215.42/x
  3. Step 3: Cross multiply
    1,543,193.56x = 2,130,166.12 × 1,256,215.42
  4. Step 4: Simplify right side
    1,543,193.56x = 2,675,947,527,105.57
  5. Step 5: Solve for x
    x = 2,675,947,527,105.57/1,543,193.56
  6. Step 6: Final answer
    x = 1,734,032.33

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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.