Home / 1,982,380.90-2,735,741.70-1,122,940.90

Finding the Fourth Proportional to 1,982,380.90, 2,735,741.70 and 1,122,940.90

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Solution

The fourth proportional to 1,982,380.90, 2,735,741.70 and 1,122,940.90 is: 1,549,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,380.90 : 2,735,741.70 = 1,122,940.90 : x
  2. Step 2: Convert to fraction form
    1,982,380.90/2,735,741.70 = 1,122,940.90/x
  3. Step 3: Cross multiply
    1,982,380.90x = 2,735,741.70 × 1,122,940.90
  4. Step 4: Simplify right side
    1,982,380.90x = 3,072,076,246,765.53
  5. Step 5: Solve for x
    x = 3,072,076,246,765.53/1,982,380.90
  6. Step 6: Final answer
    x = 1,549,690.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.