Home / 2,778,703.72-4,167,472.38-783,693.16

Finding the Fourth Proportional to 2,778,703.72, 4,167,472.38 and 783,693.16

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Solution

The fourth proportional to 2,778,703.72, 4,167,472.38 and 783,693.16 is: 1,175,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,703.72 : 4,167,472.38 = 783,693.16 : x
  2. Step 2: Convert to fraction form
    2,778,703.72/4,167,472.38 = 783,693.16/x
  3. Step 3: Cross multiply
    2,778,703.72x = 4,167,472.38 × 783,693.16
  4. Step 4: Simplify right side
    2,778,703.72x = 3,266,019,598,694.92
  5. Step 5: Solve for x
    x = 3,266,019,598,694.92/2,778,703.72
  6. Step 6: Final answer
    x = 1,175,375.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.