Home / 2,679,376.90-4,019,000.55-1,613,611.30

Finding the Fourth Proportional to 2,679,376.90, 4,019,000.55 and 1,613,611.30

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Solution

The fourth proportional to 2,679,376.90, 4,019,000.55 and 1,613,611.30 is: 2,420,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,376.90 : 4,019,000.55 = 1,613,611.30 : x
  2. Step 2: Convert to fraction form
    2,679,376.90/4,019,000.55 = 1,613,611.30/x
  3. Step 3: Cross multiply
    2,679,376.90x = 4,019,000.55 × 1,613,611.30
  4. Step 4: Simplify right side
    2,679,376.90x = 6,485,104,702,186.22
  5. Step 5: Solve for x
    x = 6,485,104,702,186.22/2,679,376.90
  6. Step 6: Final answer
    x = 2,420,377.93

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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.