Home / 1,611,245.46-2,223,515.88-923,139.90

Finding the Fourth Proportional to 1,611,245.46, 2,223,515.88 and 923,139.90

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Solution

The fourth proportional to 1,611,245.46, 2,223,515.88 and 923,139.90 is: 1,273,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,245.46 : 2,223,515.88 = 923,139.90 : x
  2. Step 2: Convert to fraction form
    1,611,245.46/2,223,515.88 = 923,139.90/x
  3. Step 3: Cross multiply
    1,611,245.46x = 2,223,515.88 × 923,139.90
  4. Step 4: Simplify right side
    1,611,245.46x = 2,052,616,227,111.61
  5. Step 5: Solve for x
    x = 2,052,616,227,111.61/1,611,245.46
  6. Step 6: Final answer
    x = 1,273,931.43

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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.