Home / 4,689,971.30-7,029,708.15-2,669,183.30

Finding the Fourth Proportional to 4,689,971.30, 7,029,708.15 and 2,669,183.30

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Solution

The fourth proportional to 4,689,971.30, 7,029,708.15 and 2,669,183.30 is: 4,000,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689,971.30 : 7,029,708.15 = 2,669,183.30 : x
  2. Step 2: Convert to fraction form
    4,689,971.30/7,029,708.15 = 2,669,183.30/x
  3. Step 3: Cross multiply
    4,689,971.30x = 7,029,708.15 × 2,669,183.30
  4. Step 4: Simplify right side
    4,689,971.30x = 18,763,579,597,853.89
  5. Step 5: Solve for x
    x = 18,763,579,597,853.89/4,689,971.30
  6. Step 6: Final answer
    x = 4,000,787.72

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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.