Home / 4,172,428.80-6,255,654.30-1,611,451.80

Finding the Fourth Proportional to 4,172,428.80, 6,255,654.30 and 1,611,451.80

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Solution

The fourth proportional to 4,172,428.80, 6,255,654.30 and 1,611,451.80 is: 2,416,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,428.80 : 6,255,654.30 = 1,611,451.80 : x
  2. Step 2: Convert to fraction form
    4,172,428.80/6,255,654.30 = 1,611,451.80/x
  3. Step 3: Cross multiply
    4,172,428.80x = 6,255,654.30 × 1,611,451.80
  4. Step 4: Simplify right side
    4,172,428.80x = 10,080,685,381,912.74
  5. Step 5: Solve for x
    x = 10,080,685,381,912.74/4,172,428.80
  6. Step 6: Final answer
    x = 2,416,023.34

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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.