Home / 2,166,310.57-2,989,602.03-1,199,440.84

Finding the Fourth Proportional to 2,166,310.57, 2,989,602.03 and 1,199,440.84

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Solution

The fourth proportional to 2,166,310.57, 2,989,602.03 and 1,199,440.84 is: 1,655,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,310.57 : 2,989,602.03 = 1,199,440.84 : x
  2. Step 2: Convert to fraction form
    2,166,310.57/2,989,602.03 = 1,199,440.84/x
  3. Step 3: Cross multiply
    2,166,310.57x = 2,989,602.03 × 1,199,440.84
  4. Step 4: Simplify right side
    2,166,310.57x = 3,585,850,770,128.91
  5. Step 5: Solve for x
    x = 3,585,850,770,128.91/2,166,310.57
  6. Step 6: Final answer
    x = 1,655,280.10

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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.