Home / 2,865,019.70-4,297,062.48-842,790.68

Finding the Fourth Proportional to 2,865,019.70, 4,297,062.48 and 842,790.68

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Solution

The fourth proportional to 2,865,019.70, 4,297,062.48 and 842,790.68 is: 1,264,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,019.70 : 4,297,062.48 = 842,790.68 : x
  2. Step 2: Convert to fraction form
    2,865,019.70/4,297,062.48 = 842,790.68/x
  3. Step 3: Cross multiply
    2,865,019.70x = 4,297,062.48 × 842,790.68
  4. Step 4: Simplify right side
    2,865,019.70x = 3,621,524,209,521.69
  5. Step 5: Solve for x
    x = 3,621,524,209,521.69/2,865,019.70
  6. Step 6: Final answer
    x = 1,264,048.62

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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.