Home / 2,808,219.42-4,212,874.26-1,078,962.30

Finding the Fourth Proportional to 2,808,219.42, 4,212,874.26 and 1,078,962.30

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Solution

The fourth proportional to 2,808,219.42, 4,212,874.26 and 1,078,962.30 is: 1,618,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,219.42 : 4,212,874.26 = 1,078,962.30 : x
  2. Step 2: Convert to fraction form
    2,808,219.42/4,212,874.26 = 1,078,962.30/x
  3. Step 3: Cross multiply
    2,808,219.42x = 4,212,874.26 × 1,078,962.30
  4. Step 4: Simplify right side
    2,808,219.42x = 4,545,532,501,180.40
  5. Step 5: Solve for x
    x = 4,545,532,501,180.40/2,808,219.42
  6. Step 6: Final answer
    x = 1,618,652.90

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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.