Home / 2,672,178.69-3,685,716.88-1,639,739.73

Finding the Fourth Proportional to 2,672,178.69, 3,685,716.88 and 1,639,739.73

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Solution

The fourth proportional to 2,672,178.69, 3,685,716.88 and 1,639,739.73 is: 2,261,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,178.69 : 3,685,716.88 = 1,639,739.73 : x
  2. Step 2: Convert to fraction form
    2,672,178.69/3,685,716.88 = 1,639,739.73/x
  3. Step 3: Cross multiply
    2,672,178.69x = 3,685,716.88 × 1,639,739.73
  4. Step 4: Simplify right side
    2,672,178.69x = 6,043,616,411,389.73
  5. Step 5: Solve for x
    x = 6,043,616,411,389.73/2,672,178.69
  6. Step 6: Final answer
    x = 2,261,681.24

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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.