Home / 2,839,675.74-3,916,763.83-1,921,500.70

Finding the Fourth Proportional to 2,839,675.74, 3,916,763.83 and 1,921,500.70

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Solution

The fourth proportional to 2,839,675.74, 3,916,763.83 and 1,921,500.70 is: 2,650,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,675.74 : 3,916,763.83 = 1,921,500.70 : x
  2. Step 2: Convert to fraction form
    2,839,675.74/3,916,763.83 = 1,921,500.70/x
  3. Step 3: Cross multiply
    2,839,675.74x = 3,916,763.83 × 1,921,500.70
  4. Step 4: Simplify right side
    2,839,675.74x = 7,526,064,441,079.68
  5. Step 5: Solve for x
    x = 7,526,064,441,079.68/2,839,675.74
  6. Step 6: Final answer
    x = 2,650,325.29

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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.