Home / 2,927,781.89-4,388,628.12-1,131,898.85

Finding the Fourth Proportional to 2,927,781.89, 4,388,628.12 and 1,131,898.85

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Solution

The fourth proportional to 2,927,781.89, 4,388,628.12 and 1,131,898.85 is: 1,696,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,781.89 : 4,388,628.12 = 1,131,898.85 : x
  2. Step 2: Convert to fraction form
    2,927,781.89/4,388,628.12 = 1,131,898.85/x
  3. Step 3: Cross multiply
    2,927,781.89x = 4,388,628.12 × 1,131,898.85
  4. Step 4: Simplify right side
    2,927,781.89x = 4,967,483,100,162.52
  5. Step 5: Solve for x
    x = 4,967,483,100,162.52/2,927,781.89
  6. Step 6: Final answer
    x = 1,696,671.16

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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.