Home / 5,162,592-7,124,099.94-2,987,170.68

Finding the Fourth Proportional to 5,162,592, 7,124,099.94 and 2,987,170.68

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Solution

The fourth proportional to 5,162,592, 7,124,099.94 and 2,987,170.68 is: 4,122,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,592 : 7,124,099.94 = 2,987,170.68 : x
  2. Step 2: Convert to fraction form
    5,162,592/7,124,099.94 = 2,987,170.68/x
  3. Step 3: Cross multiply
    5,162,592x = 7,124,099.94 × 2,987,170.68
  4. Step 4: Simplify right side
    5,162,592x = 21,280,902,462,157.76
  5. Step 5: Solve for x
    x = 21,280,902,462,157.76/5,162,592
  6. Step 6: Final answer
    x = 4,122,135.25

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1.5x scale

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.