Home / 2,809,635.82-3,877,307.04-1,520,475.88

Finding the Fourth Proportional to 2,809,635.82, 3,877,307.04 and 1,520,475.88

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Solution

The fourth proportional to 2,809,635.82, 3,877,307.04 and 1,520,475.88 is: 2,098,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,635.82 : 3,877,307.04 = 1,520,475.88 : x
  2. Step 2: Convert to fraction form
    2,809,635.82/3,877,307.04 = 1,520,475.88/x
  3. Step 3: Cross multiply
    2,809,635.82x = 3,877,307.04 × 1,520,475.88
  4. Step 4: Simplify right side
    2,809,635.82x = 5,895,351,833,674.19
  5. Step 5: Solve for x
    x = 5,895,351,833,674.19/2,809,635.82
  6. Step 6: Final answer
    x = 2,098,261.91

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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.