Home / 1,640,129.66-2,458,047.54-881,083.98

Finding the Fourth Proportional to 1,640,129.66, 2,458,047.54 and 881,083.98

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Solution

The fourth proportional to 1,640,129.66, 2,458,047.54 and 881,083.98 is: 1,320,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,129.66 : 2,458,047.54 = 881,083.98 : x
  2. Step 2: Convert to fraction form
    1,640,129.66/2,458,047.54 = 881,083.98/x
  3. Step 3: Cross multiply
    1,640,129.66x = 2,458,047.54 × 881,083.98
  4. Step 4: Simplify right side
    1,640,129.66x = 2,165,746,309,572.41
  5. Step 5: Solve for x
    x = 2,165,746,309,572.41/1,640,129.66
  6. Step 6: Final answer
    x = 1,320,472.62

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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.