Home / 3,192,315.60-4,788,556.04-917,748.12

Finding the Fourth Proportional to 3,192,315.60, 4,788,556.04 and 917,748.12

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Solution

The fourth proportional to 3,192,315.60, 4,788,556.04 and 917,748.12 is: 1,376,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,315.60 : 4,788,556.04 = 917,748.12 : x
  2. Step 2: Convert to fraction form
    3,192,315.60/4,788,556.04 = 917,748.12/x
  3. Step 3: Cross multiply
    3,192,315.60x = 4,788,556.04 × 917,748.12
  4. Step 4: Simplify right side
    3,192,315.60x = 4,394,688,303,224.65
  5. Step 5: Solve for x
    x = 4,394,688,303,224.65/3,192,315.60
  6. Step 6: Final answer
    x = 1,376,645.94

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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.