Home / 5,166,206.79-7,129,363.31-2,843,099.32

Finding the Fourth Proportional to 5,166,206.79, 7,129,363.31 and 2,843,099.32

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Solution

The fourth proportional to 5,166,206.79, 7,129,363.31 and 2,843,099.32 is: 3,923,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166,206.79 : 7,129,363.31 = 2,843,099.32 : x
  2. Step 2: Convert to fraction form
    5,166,206.79/7,129,363.31 = 2,843,099.32/x
  3. Step 3: Cross multiply
    5,166,206.79x = 7,129,363.31 × 2,843,099.32
  4. Step 4: Simplify right side
    5,166,206.79x = 20,269,487,985,801.70
  5. Step 5: Solve for x
    x = 20,269,487,985,801.70/5,166,206.79
  6. Step 6: Final answer
    x = 3,923,475.93

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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.