Home / 2,123,790.66-3,183,552.83-683,415.45

Finding the Fourth Proportional to 2,123,790.66, 3,183,552.83 and 683,415.45

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Solution

The fourth proportional to 2,123,790.66, 3,183,552.83 and 683,415.45 is: 1,024,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,790.66 : 3,183,552.83 = 683,415.45 : x
  2. Step 2: Convert to fraction form
    2,123,790.66/3,183,552.83 = 683,415.45/x
  3. Step 3: Cross multiply
    2,123,790.66x = 3,183,552.83 × 683,415.45
  4. Step 4: Simplify right side
    2,123,790.66x = 2,175,689,191,621.76
  5. Step 5: Solve for x
    x = 2,175,689,191,621.76/2,123,790.66
  6. Step 6: Final answer
    x = 1,024,436.75

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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.