Home / 1,969,766.80-2,719,543.28-1,235,727.45

Finding the Fourth Proportional to 1,969,766.80, 2,719,543.28 and 1,235,727.45

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Solution

The fourth proportional to 1,969,766.80, 2,719,543.28 and 1,235,727.45 is: 1,706,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,766.80 : 2,719,543.28 = 1,235,727.45 : x
  2. Step 2: Convert to fraction form
    1,969,766.80/2,719,543.28 = 1,235,727.45/x
  3. Step 3: Cross multiply
    1,969,766.80x = 2,719,543.28 × 1,235,727.45
  4. Step 4: Simplify right side
    1,969,766.80x = 3,360,614,276,380.40
  5. Step 5: Solve for x
    x = 3,360,614,276,380.40/1,969,766.80
  6. Step 6: Final answer
    x = 1,706,097.53

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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.