Home / 2,128,807.61-3,194,621.74-1,169,932.85

Finding the Fourth Proportional to 2,128,807.61, 3,194,621.74 and 1,169,932.85

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Solution

The fourth proportional to 2,128,807.61, 3,194,621.74 and 1,169,932.85 is: 1,755,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,807.61 : 3,194,621.74 = 1,169,932.85 : x
  2. Step 2: Convert to fraction form
    2,128,807.61/3,194,621.74 = 1,169,932.85/x
  3. Step 3: Cross multiply
    2,128,807.61x = 3,194,621.74 × 1,169,932.85
  4. Step 4: Simplify right side
    2,128,807.61x = 3,737,492,914,419.30
  5. Step 5: Solve for x
    x = 3,737,492,914,419.30/2,128,807.61
  6. Step 6: Final answer
    x = 1,755,674.35

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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.