Home / 1,915,849-2,873,773.50-779,229.60

Finding the Fourth Proportional to 1,915,849, 2,873,773.50 and 779,229.60

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Solution

The fourth proportional to 1,915,849, 2,873,773.50 and 779,229.60 is: 1,168,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,849 : 2,873,773.50 = 779,229.60 : x
  2. Step 2: Convert to fraction form
    1,915,849/2,873,773.50 = 779,229.60/x
  3. Step 3: Cross multiply
    1,915,849x = 2,873,773.50 × 779,229.60
  4. Step 4: Simplify right side
    1,915,849x = 2,239,329,374,895.60
  5. Step 5: Solve for x
    x = 2,239,329,374,895.60/1,915,849
  6. Step 6: Final answer
    x = 1,168,844.40

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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.