Home / 1,861,183.08-2,567,778.57-1,216,980.36

Finding the Fourth Proportional to 1,861,183.08, 2,567,778.57 and 1,216,980.36

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Solution

The fourth proportional to 1,861,183.08, 2,567,778.57 and 1,216,980.36 is: 1,679,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,183.08 : 2,567,778.57 = 1,216,980.36 : x
  2. Step 2: Convert to fraction form
    1,861,183.08/2,567,778.57 = 1,216,980.36/x
  3. Step 3: Cross multiply
    1,861,183.08x = 2,567,778.57 × 1,216,980.36
  4. Step 4: Simplify right side
    1,861,183.08x = 3,124,936,088,518.89
  5. Step 5: Solve for x
    x = 3,124,936,088,518.89/1,861,183.08
  6. Step 6: Final answer
    x = 1,679,005.21

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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.