Home / 5,208,811.48-7,815,462.54-2,812,180.24

Finding the Fourth Proportional to 5,208,811.48, 7,815,462.54 and 2,812,180.24

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Solution

The fourth proportional to 5,208,811.48, 7,815,462.54 and 2,812,180.24 is: 4,219,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,811.48 : 7,815,462.54 = 2,812,180.24 : x
  2. Step 2: Convert to fraction form
    5,208,811.48/7,815,462.54 = 2,812,180.24/x
  3. Step 3: Cross multiply
    5,208,811.48x = 7,815,462.54 × 2,812,180.24
  4. Step 4: Simplify right side
    5,208,811.48x = 21,978,489,321,448.21
  5. Step 5: Solve for x
    x = 21,978,489,321,448.21/5,208,811.48
  6. Step 6: Final answer
    x = 4,219,482.58

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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.