Home / 3,454,486.65-5,186,220.21-2,656,328.69

Finding the Fourth Proportional to 3,454,486.65, 5,186,220.21 and 2,656,328.69

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Solution

The fourth proportional to 3,454,486.65, 5,186,220.21 and 2,656,328.69 is: 3,987,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454,486.65 : 5,186,220.21 = 2,656,328.69 : x
  2. Step 2: Convert to fraction form
    3,454,486.65/5,186,220.21 = 2,656,328.69/x
  3. Step 3: Cross multiply
    3,454,486.65x = 5,186,220.21 × 2,656,328.69
  4. Step 4: Simplify right side
    3,454,486.65x = 13,776,305,510,549.72
  5. Step 5: Solve for x
    x = 13,776,305,510,549.72/3,454,486.65
  6. Step 6: Final answer
    x = 3,987,945.80

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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.