Home / 3,139,725.66-4,709,588.48-775,821.66

Finding the Fourth Proportional to 3,139,725.66, 4,709,588.48 and 775,821.66

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Solution

The fourth proportional to 3,139,725.66, 4,709,588.48 and 775,821.66 is: 1,163,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,725.66 : 4,709,588.48 = 775,821.66 : x
  2. Step 2: Convert to fraction form
    3,139,725.66/4,709,588.48 = 775,821.66/x
  3. Step 3: Cross multiply
    3,139,725.66x = 4,709,588.48 × 775,821.66
  4. Step 4: Simplify right side
    3,139,725.66x = 3,653,800,752,470.48
  5. Step 5: Solve for x
    x = 3,653,800,752,470.48/3,139,725.66
  6. Step 6: Final answer
    x = 1,163,732.49

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.