Home / 2,673,136.80-4,009,705.20-780,069.60

Finding the Fourth Proportional to 2,673,136.80, 4,009,705.20 and 780,069.60

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Solution

The fourth proportional to 2,673,136.80, 4,009,705.20 and 780,069.60 is: 1,170,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673,136.80 : 4,009,705.20 = 780,069.60 : x
  2. Step 2: Convert to fraction form
    2,673,136.80/4,009,705.20 = 780,069.60/x
  3. Step 3: Cross multiply
    2,673,136.80x = 4,009,705.20 × 780,069.60
  4. Step 4: Simplify right side
    2,673,136.80x = 3,127,849,131,481.92
  5. Step 5: Solve for x
    x = 3,127,849,131,481.92/2,673,136.80
  6. Step 6: Final answer
    x = 1,170,104.40

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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.