Home / 2,212,658.40-3,316,654.80-1,263,986.40

Finding the Fourth Proportional to 2,212,658.40, 3,316,654.80 and 1,263,986.40

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Solution

The fourth proportional to 2,212,658.40, 3,316,654.80 and 1,263,986.40 is: 1,894,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,658.40 : 3,316,654.80 = 1,263,986.40 : x
  2. Step 2: Convert to fraction form
    2,212,658.40/3,316,654.80 = 1,263,986.40/x
  3. Step 3: Cross multiply
    2,212,658.40x = 3,316,654.80 × 1,263,986.40
  4. Step 4: Simplify right side
    2,212,658.40x = 4,192,206,560,694.72
  5. Step 5: Solve for x
    x = 4,192,206,560,694.72/2,212,658.40
  6. Step 6: Final answer
    x = 1,894,646.98

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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.