Home / 1,987,093.76-2,980,105.44-547,434.32

Finding the Fourth Proportional to 1,987,093.76, 2,980,105.44 and 547,434.32

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Solution

The fourth proportional to 1,987,093.76, 2,980,105.44 and 547,434.32 is: 821,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,093.76 : 2,980,105.44 = 547,434.32 : x
  2. Step 2: Convert to fraction form
    1,987,093.76/2,980,105.44 = 547,434.32/x
  3. Step 3: Cross multiply
    1,987,093.76x = 2,980,105.44 × 547,434.32
  4. Step 4: Simplify right side
    1,987,093.76x = 1,631,411,995,074.70
  5. Step 5: Solve for x
    x = 1,631,411,995,074.70/1,987,093.76
  6. Step 6: Final answer
    x = 821,004.04

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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.