Home / 3,011,103.16-4,513,218.72-1,212,835.12

Finding the Fourth Proportional to 3,011,103.16, 4,513,218.72 and 1,212,835.12

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Solution

The fourth proportional to 3,011,103.16, 4,513,218.72 and 1,212,835.12 is: 1,817,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,103.16 : 4,513,218.72 = 1,212,835.12 : x
  2. Step 2: Convert to fraction form
    3,011,103.16/4,513,218.72 = 1,212,835.12/x
  3. Step 3: Cross multiply
    3,011,103.16x = 4,513,218.72 × 1,212,835.12
  4. Step 4: Simplify right side
    3,011,103.16x = 5,473,790,167,857.45
  5. Step 5: Solve for x
    x = 5,473,790,167,857.45/3,011,103.16
  6. Step 6: Final answer
    x = 1,817,868.69

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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.