Home / 5,166,664.59-7,129,865.90-2,811,762.23

Finding the Fourth Proportional to 5,166,664.59, 7,129,865.90 and 2,811,762.23

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Solution

The fourth proportional to 5,166,664.59, 7,129,865.90 and 2,811,762.23 is: 3,880,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166,664.59 : 7,129,865.90 = 2,811,762.23 : x
  2. Step 2: Convert to fraction form
    5,166,664.59/7,129,865.90 = 2,811,762.23/x
  3. Step 3: Cross multiply
    5,166,664.59x = 7,129,865.90 × 2,811,762.23
  4. Step 4: Simplify right side
    5,166,664.59x = 20,047,487,667,439.03
  5. Step 5: Solve for x
    x = 20,047,487,667,439.03/5,166,664.59
  6. Step 6: Final answer
    x = 3,880,160.47

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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.