Home / 2,612,114.80-3,912,923.40-1,761,809.20

Finding the Fourth Proportional to 2,612,114.80, 3,912,923.40 and 1,761,809.20

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Solution

The fourth proportional to 2,612,114.80, 3,912,923.40 and 1,761,809.20 is: 2,639,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,114.80 : 3,912,923.40 = 1,761,809.20 : x
  2. Step 2: Convert to fraction form
    2,612,114.80/3,912,923.40 = 1,761,809.20/x
  3. Step 3: Cross multiply
    2,612,114.80x = 3,912,923.40 × 1,761,809.20
  4. Step 4: Simplify right side
    2,612,114.80x = 6,893,824,445,015.28
  5. Step 5: Solve for x
    x = 6,893,824,445,015.28/2,612,114.80
  6. Step 6: Final answer
    x = 2,639,173.61

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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.