Home / 5,387,019.16-7,434,244.19-2,939,787.90

Finding the Fourth Proportional to 5,387,019.16, 7,434,244.19 and 2,939,787.90

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Solution

The fourth proportional to 5,387,019.16, 7,434,244.19 and 2,939,787.90 is: 4,056,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,019.16 : 7,434,244.19 = 2,939,787.90 : x
  2. Step 2: Convert to fraction form
    5,387,019.16/7,434,244.19 = 2,939,787.90/x
  3. Step 3: Cross multiply
    5,387,019.16x = 7,434,244.19 × 2,939,787.90
  4. Step 4: Simplify right side
    5,387,019.16x = 21,855,101,082,122.75
  5. Step 5: Solve for x
    x = 21,855,101,082,122.75/5,387,019.16
  6. Step 6: Final answer
    x = 4,056,993.38

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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.