Home / 2,989,757.70-4,484,636.55-2,777,181.30

Finding the Fourth Proportional to 2,989,757.70, 4,484,636.55 and 2,777,181.30

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Solution

The fourth proportional to 2,989,757.70, 4,484,636.55 and 2,777,181.30 is: 4,165,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,757.70 : 4,484,636.55 = 2,777,181.30 : x
  2. Step 2: Convert to fraction form
    2,989,757.70/4,484,636.55 = 2,777,181.30/x
  3. Step 3: Cross multiply
    2,989,757.70x = 4,484,636.55 × 2,777,181.30
  4. Step 4: Simplify right side
    2,989,757.70x = 12,454,648,763,956.51
  5. Step 5: Solve for x
    x = 12,454,648,763,956.51/2,989,757.70
  6. Step 6: Final answer
    x = 4,165,771.95

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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.