Home / 3,131,136.60-4,695,224.38-1,212,946.20

Finding the Fourth Proportional to 3,131,136.60, 4,695,224.38 and 1,212,946.20

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Solution

The fourth proportional to 3,131,136.60, 4,695,224.38 and 1,212,946.20 is: 1,818,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,136.60 : 4,695,224.38 = 1,212,946.20 : x
  2. Step 2: Convert to fraction form
    3,131,136.60/4,695,224.38 = 1,212,946.20/x
  3. Step 3: Cross multiply
    3,131,136.60x = 4,695,224.38 × 1,212,946.20
  4. Step 4: Simplify right side
    3,131,136.60x = 5,695,054,569,868.36
  5. Step 5: Solve for x
    x = 5,695,054,569,868.36/3,131,136.60
  6. Step 6: Final answer
    x = 1,818,845.77

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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.