Home / 3,580,724.14-4,941,462.32-1,949,178.40

Finding the Fourth Proportional to 3,580,724.14, 4,941,462.32 and 1,949,178.40

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Solution

The fourth proportional to 3,580,724.14, 4,941,462.32 and 1,949,178.40 is: 2,689,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,724.14 : 4,941,462.32 = 1,949,178.40 : x
  2. Step 2: Convert to fraction form
    3,580,724.14/4,941,462.32 = 1,949,178.40/x
  3. Step 3: Cross multiply
    3,580,724.14x = 4,941,462.32 × 1,949,178.40
  4. Step 4: Simplify right side
    3,580,724.14x = 9,631,791,618,557.89
  5. Step 5: Solve for x
    x = 9,631,791,618,557.89/3,580,724.14
  6. Step 6: Final answer
    x = 2,689,900.49

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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.