Home / 2,127,057.72-2,935,348.79-1,160,208.78

Finding the Fourth Proportional to 2,127,057.72, 2,935,348.79 and 1,160,208.78

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Solution

The fourth proportional to 2,127,057.72, 2,935,348.79 and 1,160,208.78 is: 1,601,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,057.72 : 2,935,348.79 = 1,160,208.78 : x
  2. Step 2: Convert to fraction form
    2,127,057.72/2,935,348.79 = 1,160,208.78/x
  3. Step 3: Cross multiply
    2,127,057.72x = 2,935,348.79 × 1,160,208.78
  4. Step 4: Simplify right side
    2,127,057.72x = 3,405,617,438,520.38
  5. Step 5: Solve for x
    x = 3,405,617,438,520.38/2,127,057.72
  6. Step 6: Final answer
    x = 1,601,093.10

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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.