Home / 3,912,424.32-5,398,875.21-2,169,929.37

Finding the Fourth Proportional to 3,912,424.32, 5,398,875.21 and 2,169,929.37

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Solution

The fourth proportional to 3,912,424.32, 5,398,875.21 and 2,169,929.37 is: 2,994,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,424.32 : 5,398,875.21 = 2,169,929.37 : x
  2. Step 2: Convert to fraction form
    3,912,424.32/5,398,875.21 = 2,169,929.37/x
  3. Step 3: Cross multiply
    3,912,424.32x = 5,398,875.21 × 2,169,929.37
  4. Step 4: Simplify right side
    3,912,424.32x = 11,715,177,883,143.92
  5. Step 5: Solve for x
    x = 11,715,177,883,143.92/3,912,424.32
  6. Step 6: Final answer
    x = 2,994,352.59

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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.