Home / 4,108,539.80-6,162,809.70-1,978,110.20

Finding the Fourth Proportional to 4,108,539.80, 6,162,809.70 and 1,978,110.20

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Solution

The fourth proportional to 4,108,539.80, 6,162,809.70 and 1,978,110.20 is: 2,967,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108,539.80 : 6,162,809.70 = 1,978,110.20 : x
  2. Step 2: Convert to fraction form
    4,108,539.80/6,162,809.70 = 1,978,110.20/x
  3. Step 3: Cross multiply
    4,108,539.80x = 6,162,809.70 × 1,978,110.20
  4. Step 4: Simplify right side
    4,108,539.80x = 12,190,716,728,228.94
  5. Step 5: Solve for x
    x = 12,190,716,728,228.94/4,108,539.80
  6. Step 6: Final answer
    x = 2,967,165.30

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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.