Home / 3,129,401.40-4,314,333.42-2,675,392.62

Finding the Fourth Proportional to 3,129,401.40, 4,314,333.42 and 2,675,392.62

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Solution

The fourth proportional to 3,129,401.40, 4,314,333.42 and 2,675,392.62 is: 3,688,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,401.40 : 4,314,333.42 = 2,675,392.62 : x
  2. Step 2: Convert to fraction form
    3,129,401.40/4,314,333.42 = 2,675,392.62/x
  3. Step 3: Cross multiply
    3,129,401.40x = 4,314,333.42 × 2,675,392.62
  4. Step 4: Simplify right side
    3,129,401.40x = 11,542,535,792,087.36
  5. Step 5: Solve for x
    x = 11,542,535,792,087.36/3,129,401.40
  6. Step 6: Final answer
    x = 3,688,416.51

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1.5x scale

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.