Home / 3,286,939.90-4,930,939.65-1,012,462.08

Finding the Fourth Proportional to 3,286,939.90, 4,930,939.65 and 1,012,462.08

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Solution

The fourth proportional to 3,286,939.90, 4,930,939.65 and 1,012,462.08 is: 1,518,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,939.90 : 4,930,939.65 = 1,012,462.08 : x
  2. Step 2: Convert to fraction form
    3,286,939.90/4,930,939.65 = 1,012,462.08/x
  3. Step 3: Cross multiply
    3,286,939.90x = 4,930,939.65 × 1,012,462.08
  4. Step 4: Simplify right side
    3,286,939.90x = 4,992,389,409,331.16
  5. Step 5: Solve for x
    x = 4,992,389,409,331.16/3,286,939.90
  6. Step 6: Final answer
    x = 1,518,856.31

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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.