Home / 1,994,995.20-2,989,209.60-1,152,076.80

Finding the Fourth Proportional to 1,994,995.20, 2,989,209.60 and 1,152,076.80

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Solution

The fourth proportional to 1,994,995.20, 2,989,209.60 and 1,152,076.80 is: 1,726,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,995.20 : 2,989,209.60 = 1,152,076.80 : x
  2. Step 2: Convert to fraction form
    1,994,995.20/2,989,209.60 = 1,152,076.80/x
  3. Step 3: Cross multiply
    1,994,995.20x = 2,989,209.60 × 1,152,076.80
  4. Step 4: Simplify right side
    1,994,995.20x = 3,443,799,030,497.28
  5. Step 5: Solve for x
    x = 3,443,799,030,497.28/1,994,995.20
  6. Step 6: Final answer
    x = 1,726,219.21

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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.