Home / 3,924,656.61-5,415,899.92-2,182,317.45

Finding the Fourth Proportional to 3,924,656.61, 5,415,899.92 and 2,182,317.45

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Solution

The fourth proportional to 3,924,656.61, 5,415,899.92 and 2,182,317.45 is: 3,011,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924,656.61 : 5,415,899.92 = 2,182,317.45 : x
  2. Step 2: Convert to fraction form
    3,924,656.61/5,415,899.92 = 2,182,317.45/x
  3. Step 3: Cross multiply
    3,924,656.61x = 5,415,899.92 × 2,182,317.45
  4. Step 4: Simplify right side
    3,924,656.61x = 11,819,212,902,869.61
  5. Step 5: Solve for x
    x = 11,819,212,902,869.61/3,924,656.61
  6. Step 6: Final answer
    x = 3,011,527.91

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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.