Home / 3,104,971.76-4,284,909.41-1,728,330.59

Finding the Fourth Proportional to 3,104,971.76, 4,284,909.41 and 1,728,330.59

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Solution

The fourth proportional to 3,104,971.76, 4,284,909.41 and 1,728,330.59 is: 2,385,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104,971.76 : 4,284,909.41 = 1,728,330.59 : x
  2. Step 2: Convert to fraction form
    3,104,971.76/4,284,909.41 = 1,728,330.59/x
  3. Step 3: Cross multiply
    3,104,971.76x = 4,284,909.41 × 1,728,330.59
  4. Step 4: Simplify right side
    3,104,971.76x = 7,405,739,978,615.65
  5. Step 5: Solve for x
    x = 7,405,739,978,615.65/3,104,971.76
  6. Step 6: Final answer
    x = 2,385,123.14

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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.