Home / 3,771,338.88-5,204,564.64-2,139,815.52

Finding the Fourth Proportional to 3,771,338.88, 5,204,564.64 and 2,139,815.52

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Solution

The fourth proportional to 3,771,338.88, 5,204,564.64 and 2,139,815.52 is: 2,953,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,338.88 : 5,204,564.64 = 2,139,815.52 : x
  2. Step 2: Convert to fraction form
    3,771,338.88/5,204,564.64 = 2,139,815.52/x
  3. Step 3: Cross multiply
    3,771,338.88x = 5,204,564.64 × 2,139,815.52
  4. Step 4: Simplify right side
    3,771,338.88x = 11,136,808,191,515.21
  5. Step 5: Solve for x
    x = 11,136,808,191,515.21/3,771,338.88
  6. Step 6: Final answer
    x = 2,953,011.79

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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.