Home / 5,275,400.52-7,279,896.36-2,920,703.21

Finding the Fourth Proportional to 5,275,400.52, 7,279,896.36 and 2,920,703.21

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Solution

The fourth proportional to 5,275,400.52, 7,279,896.36 and 2,920,703.21 is: 4,030,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,400.52 : 7,279,896.36 = 2,920,703.21 : x
  2. Step 2: Convert to fraction form
    5,275,400.52/7,279,896.36 = 2,920,703.21/x
  3. Step 3: Cross multiply
    5,275,400.52x = 7,279,896.36 × 2,920,703.21
  4. Step 4: Simplify right side
    5,275,400.52x = 21,262,416,709,921.50
  5. Step 5: Solve for x
    x = 21,262,416,709,921.50/5,275,400.52
  6. Step 6: Final answer
    x = 4,030,483.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.