Home / 1,906,162.70-2,859,244.05-1,640,442.20

Finding the Fourth Proportional to 1,906,162.70, 2,859,244.05 and 1,640,442.20

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Solution

The fourth proportional to 1,906,162.70, 2,859,244.05 and 1,640,442.20 is: 2,460,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,162.70 : 2,859,244.05 = 1,640,442.20 : x
  2. Step 2: Convert to fraction form
    1,906,162.70/2,859,244.05 = 1,640,442.20/x
  3. Step 3: Cross multiply
    1,906,162.70x = 2,859,244.05 × 1,640,442.20
  4. Step 4: Simplify right side
    1,906,162.70x = 4,690,424,599,718.91
  5. Step 5: Solve for x
    x = 4,690,424,599,718.91/1,906,162.70
  6. Step 6: Final answer
    x = 2,460,663.30

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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.