Home / 2,981,136.96-4,470,120-2,184,364.80

Finding the Fourth Proportional to 2,981,136.96, 4,470,120 and 2,184,364.80

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Solution

The fourth proportional to 2,981,136.96, 4,470,120 and 2,184,364.80 is: 3,275,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,136.96 : 4,470,120 = 2,184,364.80 : x
  2. Step 2: Convert to fraction form
    2,981,136.96/4,470,120 = 2,184,364.80/x
  3. Step 3: Cross multiply
    2,981,136.96x = 4,470,120 × 2,184,364.80
  4. Step 4: Simplify right side
    2,981,136.96x = 9,764,372,779,776
  5. Step 5: Solve for x
    x = 9,764,372,779,776/2,981,136.96
  6. Step 6: Final answer
    x = 3,275,385.50

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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.