Home / 1,804,100.09-2,489,661.07-988,285.87

Finding the Fourth Proportional to 1,804,100.09, 2,489,661.07 and 988,285.87

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Solution

The fourth proportional to 1,804,100.09, 2,489,661.07 and 988,285.87 is: 1,363,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,100.09 : 2,489,661.07 = 988,285.87 : x
  2. Step 2: Convert to fraction form
    1,804,100.09/2,489,661.07 = 988,285.87/x
  3. Step 3: Cross multiply
    1,804,100.09x = 2,489,661.07 × 988,285.87
  4. Step 4: Simplify right side
    1,804,100.09x = 2,460,496,847,875.21
  5. Step 5: Solve for x
    x = 2,460,496,847,875.21/1,804,100.09
  6. Step 6: Final answer
    x = 1,363,836.11

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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.