Home / 5,120,056.62-7,065,656.60-2,828,217.31

Finding the Fourth Proportional to 5,120,056.62, 7,065,656.60 and 2,828,217.31

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Solution

The fourth proportional to 5,120,056.62, 7,065,656.60 and 2,828,217.31 is: 3,902,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,056.62 : 7,065,656.60 = 2,828,217.31 : x
  2. Step 2: Convert to fraction form
    5,120,056.62/7,065,656.60 = 2,828,217.31/x
  3. Step 3: Cross multiply
    5,120,056.62x = 7,065,656.60 × 2,828,217.31
  4. Step 4: Simplify right side
    5,120,056.62x = 19,983,212,302,635.75
  5. Step 5: Solve for x
    x = 19,983,212,302,635.75/5,120,056.62
  6. Step 6: Final answer
    x = 3,902,927.99

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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.