Home / 2,819,122-3,890,390.36-1,529,962.08

Finding the Fourth Proportional to 2,819,122, 3,890,390.36 and 1,529,962.08

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Solution

The fourth proportional to 2,819,122, 3,890,390.36 and 1,529,962.08 is: 2,111,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,122 : 3,890,390.36 = 1,529,962.08 : x
  2. Step 2: Convert to fraction form
    2,819,122/3,890,390.36 = 1,529,962.08/x
  3. Step 3: Cross multiply
    2,819,122x = 3,890,390.36 × 1,529,962.08
  4. Step 4: Simplify right side
    2,819,122x = 5,952,149,727,197.55
  5. Step 5: Solve for x
    x = 5,952,149,727,197.55/2,819,122
  6. Step 6: Final answer
    x = 2,111,348.76

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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.