Home / 2,278,776.76-3,143,762.10-1,311,675.64

Finding the Fourth Proportional to 2,278,776.76, 3,143,762.10 and 1,311,675.64

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Solution

The fourth proportional to 2,278,776.76, 3,143,762.10 and 1,311,675.64 is: 1,809,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,776.76 : 3,143,762.10 = 1,311,675.64 : x
  2. Step 2: Convert to fraction form
    2,278,776.76/3,143,762.10 = 1,311,675.64/x
  3. Step 3: Cross multiply
    2,278,776.76x = 3,143,762.10 × 1,311,675.64
  4. Step 4: Simplify right side
    2,278,776.76x = 4,123,596,164,525.24
  5. Step 5: Solve for x
    x = 4,123,596,164,525.24/2,278,776.76
  6. Step 6: Final answer
    x = 1,809,565.66

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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.