Home / 1,928,823.29-2,661,862.55-1,101,969.15

Finding the Fourth Proportional to 1,928,823.29, 2,661,862.55 and 1,101,969.15

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Solution

The fourth proportional to 1,928,823.29, 2,661,862.55 and 1,101,969.15 is: 1,520,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,823.29 : 2,661,862.55 = 1,101,969.15 : x
  2. Step 2: Convert to fraction form
    1,928,823.29/2,661,862.55 = 1,101,969.15/x
  3. Step 3: Cross multiply
    1,928,823.29x = 2,661,862.55 × 1,101,969.15
  4. Step 4: Simplify right side
    1,928,823.29x = 2,933,290,406,130.49
  5. Step 5: Solve for x
    x = 2,933,290,406,130.49/1,928,823.29
  6. Step 6: Final answer
    x = 1,520,766.80

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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.