Home / 5,166,665.59-7,129,867.28-2,811,763.23

Finding the Fourth Proportional to 5,166,665.59, 7,129,867.28 and 2,811,763.23

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Solution

The fourth proportional to 5,166,665.59, 7,129,867.28 and 2,811,763.23 is: 3,880,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166,665.59 : 7,129,867.28 = 2,811,763.23 : x
  2. Step 2: Convert to fraction form
    5,166,665.59/7,129,867.28 = 2,811,763.23/x
  3. Step 3: Cross multiply
    5,166,665.59x = 7,129,867.28 × 2,811,763.23
  4. Step 4: Simplify right side
    5,166,665.59x = 20,047,498,652,684.11
  5. Step 5: Solve for x
    x = 20,047,498,652,684.11/5,166,665.59
  6. Step 6: Final answer
    x = 3,880,161.84

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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.