Home / 2,047,999.20-3,071,998.80-628,274.40

Finding the Fourth Proportional to 2,047,999.20, 3,071,998.80 and 628,274.40

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Solution

The fourth proportional to 2,047,999.20, 3,071,998.80 and 628,274.40 is: 942,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047,999.20 : 3,071,998.80 = 628,274.40 : x
  2. Step 2: Convert to fraction form
    2,047,999.20/3,071,998.80 = 628,274.40/x
  3. Step 3: Cross multiply
    2,047,999.20x = 3,071,998.80 × 628,274.40
  4. Step 4: Simplify right side
    2,047,999.20x = 1,930,058,202,870.72
  5. Step 5: Solve for x
    x = 1,930,058,202,870.72/2,047,999.20
  6. Step 6: Final answer
    x = 942,411.60

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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.