Home / 2,663,289.60-3,995,452.80-770,092.80

Finding the Fourth Proportional to 2,663,289.60, 3,995,452.80 and 770,092.80

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Solution

The fourth proportional to 2,663,289.60, 3,995,452.80 and 770,092.80 is: 1,155,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,289.60 : 3,995,452.80 = 770,092.80 : x
  2. Step 2: Convert to fraction form
    2,663,289.60/3,995,452.80 = 770,092.80/x
  3. Step 3: Cross multiply
    2,663,289.60x = 3,995,452.80 × 770,092.80
  4. Step 4: Simplify right side
    2,663,289.60x = 3,076,869,434,019.84
  5. Step 5: Solve for x
    x = 3,076,869,434,019.84/2,663,289.60
  6. Step 6: Final answer
    x = 1,155,289.10

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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.