Home / 2,804,665.53-4,203,676.74-1,287,069.30

Finding the Fourth Proportional to 2,804,665.53, 4,203,676.74 and 1,287,069.30

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Solution

The fourth proportional to 2,804,665.53, 4,203,676.74 and 1,287,069.30 is: 1,929,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,665.53 : 4,203,676.74 = 1,287,069.30 : x
  2. Step 2: Convert to fraction form
    2,804,665.53/4,203,676.74 = 1,287,069.30/x
  3. Step 3: Cross multiply
    2,804,665.53x = 4,203,676.74 × 1,287,069.30
  4. Step 4: Simplify right side
    2,804,665.53x = 5,410,423,279,178.08
  5. Step 5: Solve for x
    x = 5,410,423,279,178.08/2,804,665.53
  6. Step 6: Final answer
    x = 1,929,079.68

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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.