Home / 6,926,765.76-9,558,908.80-3,870,979.20

Finding the Fourth Proportional to 6,926,765.76, 9,558,908.80 and 3,870,979.20

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Solution

The fourth proportional to 6,926,765.76, 9,558,908.80 and 3,870,979.20 is: 5,341,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926,765.76 : 9,558,908.80 = 3,870,979.20 : x
  2. Step 2: Convert to fraction form
    6,926,765.76/9,558,908.80 = 3,870,979.20/x
  3. Step 3: Cross multiply
    6,926,765.76x = 9,558,908.80 × 3,870,979.20
  4. Step 4: Simplify right side
    6,926,765.76x = 37,002,337,139,496.96
  5. Step 5: Solve for x
    x = 37,002,337,139,496.96/6,926,765.76
  6. Step 6: Final answer
    x = 5,341,935.68

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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.