Home / 3,955,637.40-5,917,709.70-3,429,007.80

Finding the Fourth Proportional to 3,955,637.40, 5,917,709.70 and 3,429,007.80

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Solution

The fourth proportional to 3,955,637.40, 5,917,709.70 and 3,429,007.80 is: 5,129,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955,637.40 : 5,917,709.70 = 3,429,007.80 : x
  2. Step 2: Convert to fraction form
    3,955,637.40/5,917,709.70 = 3,429,007.80/x
  3. Step 3: Cross multiply
    3,955,637.40x = 5,917,709.70 × 3,429,007.80
  4. Step 4: Simplify right side
    3,955,637.40x = 20,291,872,719,435.66
  5. Step 5: Solve for x
    x = 20,291,872,719,435.66/3,955,637.40
  6. Step 6: Final answer
    x = 5,129,861.68

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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.