Home / 3,924,628.61-5,415,861.29-2,182,289.45

Finding the Fourth Proportional to 3,924,628.61, 5,415,861.29 and 2,182,289.45

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Solution

The fourth proportional to 3,924,628.61, 5,415,861.29 and 2,182,289.45 is: 3,011,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924,628.61 : 5,415,861.29 = 2,182,289.45 : x
  2. Step 2: Convert to fraction form
    3,924,628.61/5,415,861.29 = 2,182,289.45/x
  3. Step 3: Cross multiply
    3,924,628.61x = 5,415,861.29 × 2,182,289.45
  4. Step 4: Simplify right side
    3,924,628.61x = 11,818,976,917,839.64
  5. Step 5: Solve for x
    x = 11,818,976,917,839.64/3,924,628.61
  6. Step 6: Final answer
    x = 3,011,489.27

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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.