Home / 6,718,930.40-9,271,724.46-3,817,918.64

Finding the Fourth Proportional to 6,718,930.40, 9,271,724.46 and 3,817,918.64

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Solution

The fourth proportional to 6,718,930.40, 9,271,724.46 and 3,817,918.64 is: 5,268,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,930.40 : 9,271,724.46 = 3,817,918.64 : x
  2. Step 2: Convert to fraction form
    6,718,930.40/9,271,724.46 = 3,817,918.64/x
  3. Step 3: Cross multiply
    6,718,930.40x = 9,271,724.46 × 3,817,918.64
  4. Step 4: Simplify right side
    6,718,930.40x = 35,398,689,640,777.94
  5. Step 5: Solve for x
    x = 35,398,689,640,777.94/6,718,930.40
  6. Step 6: Final answer
    x = 5,268,500.72

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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.