Home / 5,389,414.79-7,437,568.43-2,942,156.32

Finding the Fourth Proportional to 5,389,414.79, 7,437,568.43 and 2,942,156.32

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Solution

The fourth proportional to 5,389,414.79, 7,437,568.43 and 2,942,156.32 is: 4,060,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,414.79 : 7,437,568.43 = 2,942,156.32 : x
  2. Step 2: Convert to fraction form
    5,389,414.79/7,437,568.43 = 2,942,156.32/x
  3. Step 3: Cross multiply
    5,389,414.79x = 7,437,568.43 × 2,942,156.32
  4. Step 4: Simplify right side
    5,389,414.79x = 21,882,488,950,518.45
  5. Step 5: Solve for x
    x = 21,882,488,950,518.45/5,389,414.79
  6. Step 6: Final answer
    x = 4,060,271.81

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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.