Home / 2,147,657.88-2,963,692.14-1,180,780.68

Finding the Fourth Proportional to 2,147,657.88, 2,963,692.14 and 1,180,780.68

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Solution

The fourth proportional to 2,147,657.88, 2,963,692.14 and 1,180,780.68 is: 1,629,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,657.88 : 2,963,692.14 = 1,180,780.68 : x
  2. Step 2: Convert to fraction form
    2,147,657.88/2,963,692.14 = 1,180,780.68/x
  3. Step 3: Cross multiply
    2,147,657.88x = 2,963,692.14 × 1,180,780.68
  4. Step 4: Simplify right side
    2,147,657.88x = 3,499,470,420,379.86
  5. Step 5: Solve for x
    x = 3,499,470,420,379.86/2,147,657.88
  6. Step 6: Final answer
    x = 1,629,435.70

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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.