Home / 1,994,996.70-2,989,211.85-1,152,078.30

Finding the Fourth Proportional to 1,994,996.70, 2,989,211.85 and 1,152,078.30

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Solution

The fourth proportional to 1,994,996.70, 2,989,211.85 and 1,152,078.30 is: 1,726,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,996.70 : 2,989,211.85 = 1,152,078.30 : x
  2. Step 2: Convert to fraction form
    1,994,996.70/2,989,211.85 = 1,152,078.30/x
  3. Step 3: Cross multiply
    1,994,996.70x = 2,989,211.85 × 1,152,078.30
  4. Step 4: Simplify right side
    1,994,996.70x = 3,443,806,106,487.86
  5. Step 5: Solve for x
    x = 3,443,806,106,487.86/1,994,996.70
  6. Step 6: Final answer
    x = 1,726,221.46

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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.