Home / 2,969,705.76-4,098,193.80-1,611,578.76

Finding the Fourth Proportional to 2,969,705.76, 4,098,193.80 and 1,611,578.76

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Solution

The fourth proportional to 2,969,705.76, 4,098,193.80 and 1,611,578.76 is: 2,223,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969,705.76 : 4,098,193.80 = 1,611,578.76 : x
  2. Step 2: Convert to fraction form
    2,969,705.76/4,098,193.80 = 1,611,578.76/x
  3. Step 3: Cross multiply
    2,969,705.76x = 4,098,193.80 × 1,611,578.76
  4. Step 4: Simplify right side
    2,969,705.76x = 6,604,562,082,443.69
  5. Step 5: Solve for x
    x = 6,604,562,082,443.69/2,969,705.76
  6. Step 6: Final answer
    x = 2,223,978.61

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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.