Home / 3,678,812.16-5,519,048.80-1,120,256

Finding the Fourth Proportional to 3,678,812.16, 5,519,048.80 and 1,120,256

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Solution

The fourth proportional to 3,678,812.16, 5,519,048.80 and 1,120,256 is: 1,680,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,812.16 : 5,519,048.80 = 1,120,256 : x
  2. Step 2: Convert to fraction form
    3,678,812.16/5,519,048.80 = 1,120,256/x
  3. Step 3: Cross multiply
    3,678,812.16x = 5,519,048.80 × 1,120,256
  4. Step 4: Simplify right side
    3,678,812.16x = 6,182,747,532,492.80
  5. Step 5: Solve for x
    x = 6,182,747,532,492.80/3,678,812.16
  6. Step 6: Final answer
    x = 1,680,636.92

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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.