Home / 2,084,502.46-2,878,408.67-1,311,421.88

Finding the Fourth Proportional to 2,084,502.46, 2,878,408.67 and 1,311,421.88

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Solution

The fourth proportional to 2,084,502.46, 2,878,408.67 and 1,311,421.88 is: 1,810,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,502.46 : 2,878,408.67 = 1,311,421.88 : x
  2. Step 2: Convert to fraction form
    2,084,502.46/2,878,408.67 = 1,311,421.88/x
  3. Step 3: Cross multiply
    2,084,502.46x = 2,878,408.67 × 1,311,421.88
  4. Step 4: Simplify right side
    2,084,502.46x = 3,774,808,088,470.55
  5. Step 5: Solve for x
    x = 3,774,808,088,470.55/2,084,502.46
  6. Step 6: Final answer
    x = 1,810,891.65

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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.