Home / 2,992,548.10-4,489,405.35-1,286,688.10

Finding the Fourth Proportional to 2,992,548.10, 4,489,405.35 and 1,286,688.10

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Solution

The fourth proportional to 2,992,548.10, 4,489,405.35 and 1,286,688.10 is: 1,930,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,548.10 : 4,489,405.35 = 1,286,688.10 : x
  2. Step 2: Convert to fraction form
    2,992,548.10/4,489,405.35 = 1,286,688.10/x
  3. Step 3: Cross multiply
    2,992,548.10x = 4,489,405.35 × 1,286,688.10
  4. Step 4: Simplify right side
    2,992,548.10x = 5,776,464,439,921.34
  5. Step 5: Solve for x
    x = 5,776,464,439,921.34/2,992,548.10
  6. Step 6: Final answer
    x = 1,930,282.91

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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.