Home / 3,915,763.65-5,409,259.25-3,021,834.69

Finding the Fourth Proportional to 3,915,763.65, 5,409,259.25 and 3,021,834.69

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Solution

The fourth proportional to 3,915,763.65, 5,409,259.25 and 3,021,834.69 is: 4,174,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,763.65 : 5,409,259.25 = 3,021,834.69 : x
  2. Step 2: Convert to fraction form
    3,915,763.65/5,409,259.25 = 3,021,834.69/x
  3. Step 3: Cross multiply
    3,915,763.65x = 5,409,259.25 × 3,021,834.69
  4. Step 4: Simplify right side
    3,915,763.65x = 16,345,887,233,744.21
  5. Step 5: Solve for x
    x = 16,345,887,233,744.21/3,915,763.65
  6. Step 6: Final answer
    x = 4,174,380.45

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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.