Home / 3,191,084.76-4,786,590.24-916,664.91

Finding the Fourth Proportional to 3,191,084.76, 4,786,590.24 and 916,664.91

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Solution

The fourth proportional to 3,191,084.76, 4,786,590.24 and 916,664.91 is: 1,374,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,084.76 : 4,786,590.24 = 916,664.91 : x
  2. Step 2: Convert to fraction form
    3,191,084.76/4,786,590.24 = 916,664.91/x
  3. Step 3: Cross multiply
    3,191,084.76x = 4,786,590.24 × 916,664.91
  4. Step 4: Simplify right side
    3,191,084.76x = 4,387,699,311,556.48
  5. Step 5: Solve for x
    x = 4,387,699,311,556.48/3,191,084.76
  6. Step 6: Final answer
    x = 1,374,986.77

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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.