Home / 1,555,849.40-2,147,213.88-944,157.79

Finding the Fourth Proportional to 1,555,849.40, 2,147,213.88 and 944,157.79

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Solution

The fourth proportional to 1,555,849.40, 2,147,213.88 and 944,157.79 is: 1,303,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,849.40 : 2,147,213.88 = 944,157.79 : x
  2. Step 2: Convert to fraction form
    1,555,849.40/2,147,213.88 = 944,157.79/x
  3. Step 3: Cross multiply
    1,555,849.40x = 2,147,213.88 × 944,157.79
  4. Step 4: Simplify right side
    1,555,849.40x = 2,027,308,696,141.27
  5. Step 5: Solve for x
    x = 2,027,308,696,141.27/1,555,849.40
  6. Step 6: Final answer
    x = 1,303,023.73

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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.