Home / 2,427,398.70-3,622,640.55-2,158,363.68

Finding the Fourth Proportional to 2,427,398.70, 3,622,640.55 and 2,158,363.68

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Solution

The fourth proportional to 2,427,398.70, 3,622,640.55 and 2,158,363.68 is: 3,221,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427,398.70 : 3,622,640.55 = 2,158,363.68 : x
  2. Step 2: Convert to fraction form
    2,427,398.70/3,622,640.55 = 2,158,363.68/x
  3. Step 3: Cross multiply
    2,427,398.70x = 3,622,640.55 × 2,158,363.68
  4. Step 4: Simplify right side
    2,427,398.70x = 7,818,975,788,815.23
  5. Step 5: Solve for x
    x = 7,818,975,788,815.23/2,427,398.70
  6. Step 6: Final answer
    x = 3,221,133.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.