Home / 2,173,868.20-3,256,865.70-1,858,940.20

Finding the Fourth Proportional to 2,173,868.20, 3,256,865.70 and 1,858,940.20

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Solution

The fourth proportional to 2,173,868.20, 3,256,865.70 and 1,858,940.20 is: 2,785,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,868.20 : 3,256,865.70 = 1,858,940.20 : x
  2. Step 2: Convert to fraction form
    2,173,868.20/3,256,865.70 = 1,858,940.20/x
  3. Step 3: Cross multiply
    2,173,868.20x = 3,256,865.70 × 1,858,940.20
  4. Step 4: Simplify right side
    2,173,868.20x = 6,054,318,575,731.14
  5. Step 5: Solve for x
    x = 6,054,318,575,731.14/2,173,868.20
  6. Step 6: Final answer
    x = 2,785,043.99

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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.