Home / 5,180,615.12-7,770,940.91-1,586,366.28

Finding the Fourth Proportional to 5,180,615.12, 7,770,940.91 and 1,586,366.28

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Solution

The fourth proportional to 5,180,615.12, 7,770,940.91 and 1,586,366.28 is: 2,379,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,615.12 : 7,770,940.91 = 1,586,366.28 : x
  2. Step 2: Convert to fraction form
    5,180,615.12/7,770,940.91 = 1,586,366.28/x
  3. Step 3: Cross multiply
    5,180,615.12x = 7,770,940.91 × 1,586,366.28
  4. Step 4: Simplify right side
    5,180,615.12x = 12,327,558,621,513.56
  5. Step 5: Solve for x
    x = 12,327,558,621,513.56/5,180,615.12
  6. Step 6: Final answer
    x = 2,379,555.00

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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.