Home / 1,943,821.80-2,915,914.14-729,074.52

Finding the Fourth Proportional to 1,943,821.80, 2,915,914.14 and 729,074.52

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Solution

The fourth proportional to 1,943,821.80, 2,915,914.14 and 729,074.52 is: 1,093,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,821.80 : 2,915,914.14 = 729,074.52 : x
  2. Step 2: Convert to fraction form
    1,943,821.80/2,915,914.14 = 729,074.52/x
  3. Step 3: Cross multiply
    1,943,821.80x = 2,915,914.14 × 729,074.52
  4. Step 4: Simplify right side
    1,943,821.80x = 2,125,918,701,981.71
  5. Step 5: Solve for x
    x = 2,125,918,701,981.71/1,943,821.80
  6. Step 6: Final answer
    x = 1,093,679.83

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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.