Home / 2,017,819.12-2,783,014.86-1,292,733.76

Finding the Fourth Proportional to 2,017,819.12, 2,783,014.86 and 1,292,733.76

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Solution

The fourth proportional to 2,017,819.12, 2,783,014.86 and 1,292,733.76 is: 1,782,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,819.12 : 2,783,014.86 = 1,292,733.76 : x
  2. Step 2: Convert to fraction form
    2,017,819.12/2,783,014.86 = 1,292,733.76/x
  3. Step 3: Cross multiply
    2,017,819.12x = 2,783,014.86 × 1,292,733.76
  4. Step 4: Simplify right side
    2,017,819.12x = 3,597,697,264,103.67
  5. Step 5: Solve for x
    x = 3,597,697,264,103.67/2,017,819.12
  6. Step 6: Final answer
    x = 1,782,963.21

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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.