Home / 2,132,208.72-2,942,443.08-1,214,437.68

Finding the Fourth Proportional to 2,132,208.72, 2,942,443.08 and 1,214,437.68

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Solution

The fourth proportional to 2,132,208.72, 2,942,443.08 and 1,214,437.68 is: 1,675,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,208.72 : 2,942,443.08 = 1,214,437.68 : x
  2. Step 2: Convert to fraction form
    2,132,208.72/2,942,443.08 = 1,214,437.68/x
  3. Step 3: Cross multiply
    2,132,208.72x = 2,942,443.08 × 1,214,437.68
  4. Step 4: Simplify right side
    2,132,208.72x = 3,573,413,747,607.25
  5. Step 5: Solve for x
    x = 3,573,413,747,607.25/2,132,208.72
  6. Step 6: Final answer
    x = 1,675,921.18

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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.