Home / 3,809,635.95-5,715,011.60-1,788,085.20

Finding the Fourth Proportional to 3,809,635.95, 5,715,011.60 and 1,788,085.20

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Solution

The fourth proportional to 3,809,635.95, 5,715,011.60 and 1,788,085.20 is: 2,682,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,635.95 : 5,715,011.60 = 1,788,085.20 : x
  2. Step 2: Convert to fraction form
    3,809,635.95/5,715,011.60 = 1,788,085.20/x
  3. Step 3: Cross multiply
    3,809,635.95x = 5,715,011.60 × 1,788,085.20
  4. Step 4: Simplify right side
    3,809,635.95x = 10,218,927,659,788.32
  5. Step 5: Solve for x
    x = 10,218,927,659,788.32/3,809,635.95
  6. Step 6: Final answer
    x = 2,682,389.55

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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.