Home / 5,454,623.70-8,180,623.26-1,668,139.38

Finding the Fourth Proportional to 5,454,623.70, 8,180,623.26 and 1,668,139.38

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Solution

The fourth proportional to 5,454,623.70, 8,180,623.26 and 1,668,139.38 is: 2,501,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454,623.70 : 8,180,623.26 = 1,668,139.38 : x
  2. Step 2: Convert to fraction form
    5,454,623.70/8,180,623.26 = 1,668,139.38/x
  3. Step 3: Cross multiply
    5,454,623.70x = 8,180,623.26 × 1,668,139.38
  4. Step 4: Simplify right side
    5,454,623.70x = 13,646,419,812,949.98
  5. Step 5: Solve for x
    x = 13,646,419,812,949.98/5,454,623.70
  6. Step 6: Final answer
    x = 2,501,807.74

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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.