Home / 2,825,105.80-4,237,658.70-1,974,800.20

Finding the Fourth Proportional to 2,825,105.80, 4,237,658.70 and 1,974,800.20

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Solution

The fourth proportional to 2,825,105.80, 4,237,658.70 and 1,974,800.20 is: 2,962,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,105.80 : 4,237,658.70 = 1,974,800.20 : x
  2. Step 2: Convert to fraction form
    2,825,105.80/4,237,658.70 = 1,974,800.20/x
  3. Step 3: Cross multiply
    2,825,105.80x = 4,237,658.70 × 1,974,800.20
  4. Step 4: Simplify right side
    2,825,105.80x = 8,368,529,248,291.74
  5. Step 5: Solve for x
    x = 8,368,529,248,291.74/2,825,105.80
  6. Step 6: Final answer
    x = 2,962,200.30

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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.