Home / 4,786,358.80-7,169,861.40-2,983,709.20

Finding the Fourth Proportional to 4,786,358.80, 7,169,861.40 and 2,983,709.20

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Solution

The fourth proportional to 4,786,358.80, 7,169,861.40 and 2,983,709.20 is: 4,469,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786,358.80 : 7,169,861.40 = 2,983,709.20 : x
  2. Step 2: Convert to fraction form
    4,786,358.80/7,169,861.40 = 2,983,709.20/x
  3. Step 3: Cross multiply
    4,786,358.80x = 7,169,861.40 × 2,983,709.20
  4. Step 4: Simplify right side
    4,786,358.80x = 21,392,781,421,904.88
  5. Step 5: Solve for x
    x = 21,392,781,421,904.88/4,786,358.80
  6. Step 6: Final answer
    x = 4,469,531.50

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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.