Home / 3,891,358.42-5,811,489.83-3,316,614.82

Finding the Fourth Proportional to 3,891,358.42, 5,811,489.83 and 3,316,614.82

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Solution

The fourth proportional to 3,891,358.42, 5,811,489.83 and 3,316,614.82 is: 4,953,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,358.42 : 5,811,489.83 = 3,316,614.82 : x
  2. Step 2: Convert to fraction form
    3,891,358.42/5,811,489.83 = 3,316,614.82/x
  3. Step 3: Cross multiply
    3,891,358.42x = 5,811,489.83 × 3,316,614.82
  4. Step 4: Simplify right side
    3,891,358.42x = 19,274,473,296,457.28
  5. Step 5: Solve for x
    x = 19,274,473,296,457.28/3,891,358.42
  6. Step 6: Final answer
    x = 4,953,147.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.