Home / 1,911,735.12-2,866,761.33-1,012,969.70

Finding the Fourth Proportional to 1,911,735.12, 2,866,761.33 and 1,012,969.70

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Solution

The fourth proportional to 1,911,735.12, 2,866,761.33 and 1,012,969.70 is: 1,519,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,735.12 : 2,866,761.33 = 1,012,969.70 : x
  2. Step 2: Convert to fraction form
    1,911,735.12/2,866,761.33 = 1,012,969.70/x
  3. Step 3: Cross multiply
    1,911,735.12x = 2,866,761.33 × 1,012,969.70
  4. Step 4: Simplify right side
    1,911,735.12x = 2,903,942,362,737.57
  5. Step 5: Solve for x
    x = 2,903,942,362,737.57/1,911,735.12
  6. Step 6: Final answer
    x = 1,519,008.75

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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.