Home / 3,901,875.78-5,854,679.91-1,378,719.30

Finding the Fourth Proportional to 3,901,875.78, 5,854,679.91 and 1,378,719.30

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Solution

The fourth proportional to 3,901,875.78, 5,854,679.91 and 1,378,719.30 is: 2,068,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,875.78 : 5,854,679.91 = 1,378,719.30 : x
  2. Step 2: Convert to fraction form
    3,901,875.78/5,854,679.91 = 1,378,719.30/x
  3. Step 3: Cross multiply
    3,901,875.78x = 5,854,679.91 × 1,378,719.30
  4. Step 4: Simplify right side
    3,901,875.78x = 8,071,960,187,239.26
  5. Step 5: Solve for x
    x = 8,071,960,187,239.26/3,901,875.78
  6. Step 6: Final answer
    x = 2,068,738.38

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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.