Home / 3,127,543.88-4,315,981.39-1,769,416.88

Finding the Fourth Proportional to 3,127,543.88, 4,315,981.39 and 1,769,416.88

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Solution

The fourth proportional to 3,127,543.88, 4,315,981.39 and 1,769,416.88 is: 2,441,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,543.88 : 4,315,981.39 = 1,769,416.88 : x
  2. Step 2: Convert to fraction form
    3,127,543.88/4,315,981.39 = 1,769,416.88/x
  3. Step 3: Cross multiply
    3,127,543.88x = 4,315,981.39 × 1,769,416.88
  4. Step 4: Simplify right side
    3,127,543.88x = 7,636,770,299,228.41
  5. Step 5: Solve for x
    x = 7,636,770,299,228.41/3,127,543.88
  6. Step 6: Final answer
    x = 2,441,778.79

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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.