Home / 1,994,998.20-2,989,214.10-1,152,079.80

Finding the Fourth Proportional to 1,994,998.20, 2,989,214.10 and 1,152,079.80

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Solution

The fourth proportional to 1,994,998.20, 2,989,214.10 and 1,152,079.80 is: 1,726,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,998.20 : 2,989,214.10 = 1,152,079.80 : x
  2. Step 2: Convert to fraction form
    1,994,998.20/2,989,214.10 = 1,152,079.80/x
  3. Step 3: Cross multiply
    1,994,998.20x = 2,989,214.10 × 1,152,079.80
  4. Step 4: Simplify right side
    1,994,998.20x = 3,443,813,182,485.18
  5. Step 5: Solve for x
    x = 3,443,813,182,485.18/1,994,998.20
  6. Step 6: Final answer
    x = 1,726,223.70

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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.