Home / 1,787,091.80-2,466,205.61-971,295.57

Finding the Fourth Proportional to 1,787,091.80, 2,466,205.61 and 971,295.57

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Solution

The fourth proportional to 1,787,091.80, 2,466,205.61 and 971,295.57 is: 1,340,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,091.80 : 2,466,205.61 = 971,295.57 : x
  2. Step 2: Convert to fraction form
    1,787,091.80/2,466,205.61 = 971,295.57/x
  3. Step 3: Cross multiply
    1,787,091.80x = 2,466,205.61 × 971,295.57
  4. Step 4: Simplify right side
    1,787,091.80x = 2,395,414,578,845.67
  5. Step 5: Solve for x
    x = 2,395,414,578,845.67/1,787,091.80
  6. Step 6: Final answer
    x = 1,340,398.17

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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.