Home / 3,465,412.92-5,187,985.74-2,021,681.88

Finding the Fourth Proportional to 3,465,412.92, 5,187,985.74 and 2,021,681.88

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Solution

The fourth proportional to 3,465,412.92, 5,187,985.74 and 2,021,681.88 is: 3,026,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465,412.92 : 5,187,985.74 = 2,021,681.88 : x
  2. Step 2: Convert to fraction form
    3,465,412.92/5,187,985.74 = 2,021,681.88/x
  3. Step 3: Cross multiply
    3,465,412.92x = 5,187,985.74 × 2,021,681.88
  4. Step 4: Simplify right side
    3,465,412.92x = 10,488,456,764,256.39
  5. Step 5: Solve for x
    x = 10,488,456,764,256.39/3,465,412.92
  6. Step 6: Final answer
    x = 3,026,610.97

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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.