Home / 2,912,396.72-4,019,245.02-1,623,246.32

Finding the Fourth Proportional to 2,912,396.72, 4,019,245.02 and 1,623,246.32

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Solution

The fourth proportional to 2,912,396.72, 4,019,245.02 and 1,623,246.32 is: 2,240,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,396.72 : 4,019,245.02 = 1,623,246.32 : x
  2. Step 2: Convert to fraction form
    2,912,396.72/4,019,245.02 = 1,623,246.32/x
  3. Step 3: Cross multiply
    2,912,396.72x = 4,019,245.02 × 1,623,246.32
  4. Step 4: Simplify right side
    2,912,396.72x = 6,524,224,687,893.33
  5. Step 5: Solve for x
    x = 6,524,224,687,893.33/2,912,396.72
  6. Step 6: Final answer
    x = 2,240,156.58

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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.