Home / 5,390,863.20-7,439,334.78-2,943,467.16

Finding the Fourth Proportional to 5,390,863.20, 7,439,334.78 and 2,943,467.16

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Solution

The fourth proportional to 5,390,863.20, 7,439,334.78 and 2,943,467.16 is: 4,061,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,863.20 : 7,439,334.78 = 2,943,467.16 : x
  2. Step 2: Convert to fraction form
    5,390,863.20/7,439,334.78 = 2,943,467.16/x
  3. Step 3: Cross multiply
    5,390,863.20x = 7,439,334.78 × 2,943,467.16
  4. Step 4: Simplify right side
    5,390,863.20x = 21,897,437,617,175.83
  5. Step 5: Solve for x
    x = 21,897,437,617,175.83/5,390,863.20
  6. Step 6: Final answer
    x = 4,061,953.87

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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.