Home / 3,119,136.80-4,680,778.80-1,771,296.80

Finding the Fourth Proportional to 3,119,136.80, 4,680,778.80 and 1,771,296.80

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Solution

The fourth proportional to 3,119,136.80, 4,680,778.80 and 1,771,296.80 is: 2,658,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,136.80 : 4,680,778.80 = 1,771,296.80 : x
  2. Step 2: Convert to fraction form
    3,119,136.80/4,680,778.80 = 1,771,296.80/x
  3. Step 3: Cross multiply
    3,119,136.80x = 4,680,778.80 × 1,771,296.80
  4. Step 4: Simplify right side
    3,119,136.80x = 8,291,048,509,947.84
  5. Step 5: Solve for x
    x = 8,291,048,509,947.84/3,119,136.80
  6. Step 6: Final answer
    x = 2,658,122.76

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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.