Home / 1,994,999.20-2,989,215.60-1,152,080.80

Finding the Fourth Proportional to 1,994,999.20, 2,989,215.60 and 1,152,080.80

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Solution

The fourth proportional to 1,994,999.20, 2,989,215.60 and 1,152,080.80 is: 1,726,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,999.20 : 2,989,215.60 = 1,152,080.80 : x
  2. Step 2: Convert to fraction form
    1,994,999.20/2,989,215.60 = 1,152,080.80/x
  3. Step 3: Cross multiply
    1,994,999.20x = 2,989,215.60 × 1,152,080.80
  4. Step 4: Simplify right side
    1,994,999.20x = 3,443,817,899,820.48
  5. Step 5: Solve for x
    x = 3,443,817,899,820.48/1,994,999.20
  6. Step 6: Final answer
    x = 1,726,225.20

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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.