Home / 1,640,454.20-2,460,681.30-1,618,335.80

Finding the Fourth Proportional to 1,640,454.20, 2,460,681.30 and 1,618,335.80

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Solution

The fourth proportional to 1,640,454.20, 2,460,681.30 and 1,618,335.80 is: 2,427,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,454.20 : 2,460,681.30 = 1,618,335.80 : x
  2. Step 2: Convert to fraction form
    1,640,454.20/2,460,681.30 = 1,618,335.80/x
  3. Step 3: Cross multiply
    1,640,454.20x = 2,460,681.30 × 1,618,335.80
  4. Step 4: Simplify right side
    1,640,454.20x = 3,982,208,640,180.54
  5. Step 5: Solve for x
    x = 3,982,208,640,180.54/1,640,454.20
  6. Step 6: Final answer
    x = 2,427,503.70

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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.