Home / 3,580,724.45-4,941,462.75-1,949,178.71

Finding the Fourth Proportional to 3,580,724.45, 4,941,462.75 and 1,949,178.71

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Solution

The fourth proportional to 3,580,724.45, 4,941,462.75 and 1,949,178.71 is: 2,689,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,724.45 : 4,941,462.75 = 1,949,178.71 : x
  2. Step 2: Convert to fraction form
    3,580,724.45/4,941,462.75 = 1,949,178.71/x
  3. Step 3: Cross multiply
    3,580,724.45x = 4,941,462.75 × 1,949,178.71
  4. Step 4: Simplify right side
    3,580,724.45x = 9,631,793,993,602.29
  5. Step 5: Solve for x
    x = 9,631,793,993,602.29/3,580,724.45
  6. Step 6: Final answer
    x = 2,689,900.92

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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.