Home / 1,804,100.90-2,489,660.24-988,334.10

Finding the Fourth Proportional to 1,804,100.90, 2,489,660.24 and 988,334.10

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Solution

The fourth proportional to 1,804,100.90, 2,489,660.24 and 988,334.10 is: 1,363,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,100.90 : 2,489,660.24 = 988,334.10 : x
  2. Step 2: Convert to fraction form
    1,804,100.90/2,489,660.24 = 988,334.10/x
  3. Step 3: Cross multiply
    1,804,100.90x = 2,489,660.24 × 988,334.10
  4. Step 4: Simplify right side
    1,804,100.90x = 2,460,616,107,664.51
  5. Step 5: Solve for x
    x = 2,460,616,107,664.51/1,804,100.90
  6. Step 6: Final answer
    x = 1,363,901.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.