Home / 5,221,738.54-7,830,834-1,809,228.66

Finding the Fourth Proportional to 5,221,738.54, 7,830,834 and 1,809,228.66

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Solution

The fourth proportional to 5,221,738.54, 7,830,834 and 1,809,228.66 is: 2,713,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,738.54 : 7,830,834 = 1,809,228.66 : x
  2. Step 2: Convert to fraction form
    5,221,738.54/7,830,834 = 1,809,228.66/x
  3. Step 3: Cross multiply
    5,221,738.54x = 7,830,834 × 1,809,228.66
  4. Step 4: Simplify right side
    5,221,738.54x = 14,167,769,304,502.44
  5. Step 5: Solve for x
    x = 14,167,769,304,502.44/5,221,738.54
  6. Step 6: Final answer
    x = 2,713,228.40

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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.