Home / 3,119,002.20-4,678,503.30-1,770,643.80

Finding the Fourth Proportional to 3,119,002.20, 4,678,503.30 and 1,770,643.80

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Solution

The fourth proportional to 3,119,002.20, 4,678,503.30 and 1,770,643.80 is: 2,655,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,002.20 : 4,678,503.30 = 1,770,643.80 : x
  2. Step 2: Convert to fraction form
    3,119,002.20/4,678,503.30 = 1,770,643.80/x
  3. Step 3: Cross multiply
    3,119,002.20x = 4,678,503.30 × 1,770,643.80
  4. Step 4: Simplify right side
    3,119,002.20x = 8,283,962,861,424.54
  5. Step 5: Solve for x
    x = 8,283,962,861,424.54/3,119,002.20
  6. Step 6: Final answer
    x = 2,655,965.70

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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.