Home / 2,106,118.20-3,156,314.22-890,684.40

Finding the Fourth Proportional to 2,106,118.20, 3,156,314.22 and 890,684.40

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Solution

The fourth proportional to 2,106,118.20, 3,156,314.22 and 890,684.40 is: 1,334,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,118.20 : 3,156,314.22 = 890,684.40 : x
  2. Step 2: Convert to fraction form
    2,106,118.20/3,156,314.22 = 890,684.40/x
  3. Step 3: Cross multiply
    2,106,118.20x = 3,156,314.22 × 890,684.40
  4. Step 4: Simplify right side
    2,106,118.20x = 2,811,279,837,252.17
  5. Step 5: Solve for x
    x = 2,811,279,837,252.17/2,106,118.20
  6. Step 6: Final answer
    x = 1,334,815.79

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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.