Home / 2,420,130.69-3,339,653.49-1,332,189.72

Finding the Fourth Proportional to 2,420,130.69, 3,339,653.49 and 1,332,189.72

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Solution

The fourth proportional to 2,420,130.69, 3,339,653.49 and 1,332,189.72 is: 1,838,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,130.69 : 3,339,653.49 = 1,332,189.72 : x
  2. Step 2: Convert to fraction form
    2,420,130.69/3,339,653.49 = 1,332,189.72/x
  3. Step 3: Cross multiply
    2,420,130.69x = 3,339,653.49 × 1,332,189.72
  4. Step 4: Simplify right side
    2,420,130.69x = 4,449,052,047,740.12
  5. Step 5: Solve for x
    x = 4,449,052,047,740.12/2,420,130.69
  6. Step 6: Final answer
    x = 1,838,351.98

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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.