Home / 2,774,729-4,162,095.12-780,185

Finding the Fourth Proportional to 2,774,729, 4,162,095.12 and 780,185

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Solution

The fourth proportional to 2,774,729, 4,162,095.12 and 780,185 is: 1,170,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,729 : 4,162,095.12 = 780,185 : x
  2. Step 2: Convert to fraction form
    2,774,729/4,162,095.12 = 780,185/x
  3. Step 3: Cross multiply
    2,774,729x = 4,162,095.12 × 780,185
  4. Step 4: Simplify right side
    2,774,729x = 3,247,204,181,197.20
  5. Step 5: Solve for x
    x = 3,247,204,181,197.20/2,774,729
  6. Step 6: Final answer
    x = 1,170,277.96

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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.