Home / 5,135,639.94-7,087,178.70-2,843,800.56

Finding the Fourth Proportional to 5,135,639.94, 7,087,178.70 and 2,843,800.56

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Solution

The fourth proportional to 5,135,639.94, 7,087,178.70 and 2,843,800.56 is: 3,924,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,639.94 : 7,087,178.70 = 2,843,800.56 : x
  2. Step 2: Convert to fraction form
    5,135,639.94/7,087,178.70 = 2,843,800.56/x
  3. Step 3: Cross multiply
    5,135,639.94x = 7,087,178.70 × 2,843,800.56
  4. Step 4: Simplify right side
    5,135,639.94x = 20,154,522,755,880.07
  5. Step 5: Solve for x
    x = 20,154,522,755,880.07/5,135,639.94
  6. Step 6: Final answer
    x = 3,924,442.33

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1.5x scale

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.