Home / 1,965,435.90-2,945,665.05-954,789.18

Finding the Fourth Proportional to 1,965,435.90, 2,945,665.05 and 954,789.18

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Solution

The fourth proportional to 1,965,435.90, 2,945,665.05 and 954,789.18 is: 1,430,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,435.90 : 2,945,665.05 = 954,789.18 : x
  2. Step 2: Convert to fraction form
    1,965,435.90/2,945,665.05 = 954,789.18/x
  3. Step 3: Cross multiply
    1,965,435.90x = 2,945,665.05 × 954,789.18
  4. Step 4: Simplify right side
    1,965,435.90x = 2,812,489,117,644.16
  5. Step 5: Solve for x
    x = 2,812,489,117,644.16/1,965,435.90
  6. Step 6: Final answer
    x = 1,430,974.74

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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.