Home / 3,493,120.14-5,238,020.82-1,218,368.13

Finding the Fourth Proportional to 3,493,120.14, 5,238,020.82 and 1,218,368.13

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Solution

The fourth proportional to 3,493,120.14, 5,238,020.82 and 1,218,368.13 is: 1,826,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493,120.14 : 5,238,020.82 = 1,218,368.13 : x
  2. Step 2: Convert to fraction form
    3,493,120.14/5,238,020.82 = 1,218,368.13/x
  3. Step 3: Cross multiply
    3,493,120.14x = 5,238,020.82 × 1,218,368.13
  4. Step 4: Simplify right side
    3,493,120.14x = 6,381,837,645,754.64
  5. Step 5: Solve for x
    x = 6,381,837,645,754.64/3,493,120.14
  6. Step 6: Final answer
    x = 1,826,973.42

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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.