Home / 3,816,453.20-5,724,679.80-1,685,440.40

Finding the Fourth Proportional to 3,816,453.20, 5,724,679.80 and 1,685,440.40

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Solution

The fourth proportional to 3,816,453.20, 5,724,679.80 and 1,685,440.40 is: 2,528,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816,453.20 : 5,724,679.80 = 1,685,440.40 : x
  2. Step 2: Convert to fraction form
    3,816,453.20/5,724,679.80 = 1,685,440.40/x
  3. Step 3: Cross multiply
    3,816,453.20x = 5,724,679.80 × 1,685,440.40
  4. Step 4: Simplify right side
    3,816,453.20x = 9,648,606,611,983.92
  5. Step 5: Solve for x
    x = 9,648,606,611,983.92/3,816,453.20
  6. Step 6: Final answer
    x = 2,528,160.60

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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.