Home / 2,809,534.21-3,877,157.22-1,520,374.61

Finding the Fourth Proportional to 2,809,534.21, 3,877,157.22 and 1,520,374.61

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Solution

The fourth proportional to 2,809,534.21, 3,877,157.22 and 1,520,374.61 is: 2,098,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,534.21 : 3,877,157.22 = 1,520,374.61 : x
  2. Step 2: Convert to fraction form
    2,809,534.21/3,877,157.22 = 1,520,374.61/x
  3. Step 3: Cross multiply
    2,809,534.21x = 3,877,157.22 × 1,520,374.61
  4. Step 4: Simplify right side
    2,809,534.21x = 5,894,731,376,880.40
  5. Step 5: Solve for x
    x = 5,894,731,376,880.40/2,809,534.21
  6. Step 6: Final answer
    x = 2,098,116.96

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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.