Home / 3,219,519.68-4,441,968.28-1,929,889.52

Finding the Fourth Proportional to 3,219,519.68, 4,441,968.28 and 1,929,889.52

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Solution

The fourth proportional to 3,219,519.68, 4,441,968.28 and 1,929,889.52 is: 2,662,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,519.68 : 4,441,968.28 = 1,929,889.52 : x
  2. Step 2: Convert to fraction form
    3,219,519.68/4,441,968.28 = 1,929,889.52/x
  3. Step 3: Cross multiply
    3,219,519.68x = 4,441,968.28 × 1,929,889.52
  4. Step 4: Simplify right side
    3,219,519.68x = 8,572,508,031,744.43
  5. Step 5: Solve for x
    x = 8,572,508,031,744.43/3,219,519.68
  6. Step 6: Final answer
    x = 2,662,666.76

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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.