Home / 1,982,103.90-2,776,811.70-1,982,103.90

Finding the Fourth Proportional to 1,982,103.90, 2,776,811.70 and 1,982,103.90

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Solution

The fourth proportional to 1,982,103.90, 2,776,811.70 and 1,982,103.90 is: 2,776,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,103.90 : 2,776,811.70 = 1,982,103.90 : x
  2. Step 2: Convert to fraction form
    1,982,103.90/2,776,811.70 = 1,982,103.90/x
  3. Step 3: Cross multiply
    1,982,103.90x = 2,776,811.70 × 1,982,103.90
  4. Step 4: Simplify right side
    1,982,103.90x = 5,503,929,300,135.63
  5. Step 5: Solve for x
    x = 5,503,929,300,135.63/1,982,103.90
  6. Step 6: Final answer
    x = 2,776,811.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.