Home / 1,994,132.54-2,990,571.41-645,982.36

Finding the Fourth Proportional to 1,994,132.54, 2,990,571.41 and 645,982.36

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Solution

The fourth proportional to 1,994,132.54, 2,990,571.41 and 645,982.36 is: 968,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,132.54 : 2,990,571.41 = 645,982.36 : x
  2. Step 2: Convert to fraction form
    1,994,132.54/2,990,571.41 = 645,982.36/x
  3. Step 3: Cross multiply
    1,994,132.54x = 2,990,571.41 × 645,982.36
  4. Step 4: Simplify right side
    1,994,132.54x = 1,931,856,371,318.86
  5. Step 5: Solve for x
    x = 1,931,856,371,318.86/1,994,132.54
  6. Step 6: Final answer
    x = 968,770.29

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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.