Home / 3,607,986.72-4,975,587-2,157,451.68

Finding the Fourth Proportional to 3,607,986.72, 4,975,587 and 2,157,451.68

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Solution

The fourth proportional to 3,607,986.72, 4,975,587 and 2,157,451.68 is: 2,975,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,986.72 : 4,975,587 = 2,157,451.68 : x
  2. Step 2: Convert to fraction form
    3,607,986.72/4,975,587 = 2,157,451.68/x
  3. Step 3: Cross multiply
    3,607,986.72x = 4,975,587 × 2,157,451.68
  4. Step 4: Simplify right side
    3,607,986.72x = 10,734,588,532,136.16
  5. Step 5: Solve for x
    x = 10,734,588,532,136.16/3,607,986.72
  6. Step 6: Final answer
    x = 2,975,229.50

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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.