Home / 5,120,863.28-7,682,438.84-1,926,017.16

Finding the Fourth Proportional to 5,120,863.28, 7,682,438.84 and 1,926,017.16

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Solution

The fourth proportional to 5,120,863.28, 7,682,438.84 and 1,926,017.16 is: 2,889,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,863.28 : 7,682,438.84 = 1,926,017.16 : x
  2. Step 2: Convert to fraction form
    5,120,863.28/7,682,438.84 = 1,926,017.16/x
  3. Step 3: Cross multiply
    5,120,863.28x = 7,682,438.84 × 1,926,017.16
  4. Step 4: Simplify right side
    5,120,863.28x = 14,796,509,036,490.49
  5. Step 5: Solve for x
    x = 14,796,509,036,490.49/5,120,863.28
  6. Step 6: Final answer
    x = 2,889,455.98

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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.