Home / 2,694,965.40-4,036,543.20-1,431,316.80

Finding the Fourth Proportional to 2,694,965.40, 4,036,543.20 and 1,431,316.80

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Solution

The fourth proportional to 2,694,965.40, 4,036,543.20 and 1,431,316.80 is: 2,143,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694,965.40 : 4,036,543.20 = 1,431,316.80 : x
  2. Step 2: Convert to fraction form
    2,694,965.40/4,036,543.20 = 1,431,316.80/x
  3. Step 3: Cross multiply
    2,694,965.40x = 4,036,543.20 × 1,431,316.80
  4. Step 4: Simplify right side
    2,694,965.40x = 5,777,572,096,085.76
  5. Step 5: Solve for x
    x = 5,777,572,096,085.76/2,694,965.40
  6. Step 6: Final answer
    x = 2,143,839.06

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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.