Home / 2,238,352.56-3,088,916.82-1,219,757.40

Finding the Fourth Proportional to 2,238,352.56, 3,088,916.82 and 1,219,757.40

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Solution

The fourth proportional to 2,238,352.56, 3,088,916.82 and 1,219,757.40 is: 1,683,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,352.56 : 3,088,916.82 = 1,219,757.40 : x
  2. Step 2: Convert to fraction form
    2,238,352.56/3,088,916.82 = 1,219,757.40/x
  3. Step 3: Cross multiply
    2,238,352.56x = 3,088,916.82 × 1,219,757.40
  4. Step 4: Simplify right side
    2,238,352.56x = 3,767,729,149,179.47
  5. Step 5: Solve for x
    x = 3,767,729,149,179.47/2,238,352.56
  6. Step 6: Final answer
    x = 1,683,259.92

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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.