Home / 3,142,198.45-4,336,236.69-1,784,071.45

Finding the Fourth Proportional to 3,142,198.45, 4,336,236.69 and 1,784,071.45

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Solution

The fourth proportional to 3,142,198.45, 4,336,236.69 and 1,784,071.45 is: 2,462,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,198.45 : 4,336,236.69 = 1,784,071.45 : x
  2. Step 2: Convert to fraction form
    3,142,198.45/4,336,236.69 = 1,784,071.45/x
  3. Step 3: Cross multiply
    3,142,198.45x = 4,336,236.69 × 1,784,071.45
  4. Step 4: Simplify right side
    3,142,198.45x = 7,736,156,079,071.50
  5. Step 5: Solve for x
    x = 7,736,156,079,071.50/3,142,198.45
  6. Step 6: Final answer
    x = 2,462,020.21

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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.