Home / 3,083,999.80-4,625,999.70-840,134.20

Finding the Fourth Proportional to 3,083,999.80, 4,625,999.70 and 840,134.20

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Solution

The fourth proportional to 3,083,999.80, 4,625,999.70 and 840,134.20 is: 1,260,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083,999.80 : 4,625,999.70 = 840,134.20 : x
  2. Step 2: Convert to fraction form
    3,083,999.80/4,625,999.70 = 840,134.20/x
  3. Step 3: Cross multiply
    3,083,999.80x = 4,625,999.70 × 840,134.20
  4. Step 4: Simplify right side
    3,083,999.80x = 3,886,460,557,159.74
  5. Step 5: Solve for x
    x = 3,886,460,557,159.74/3,083,999.80
  6. Step 6: Final answer
    x = 1,260,201.30

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1.5x scale

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.