Home / 2,758,526.56-4,137,812.89-961,407.12

Finding the Fourth Proportional to 2,758,526.56, 4,137,812.89 and 961,407.12

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Solution

The fourth proportional to 2,758,526.56, 4,137,812.89 and 961,407.12 is: 1,442,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,526.56 : 4,137,812.89 = 961,407.12 : x
  2. Step 2: Convert to fraction form
    2,758,526.56/4,137,812.89 = 961,407.12/x
  3. Step 3: Cross multiply
    2,758,526.56x = 4,137,812.89 × 961,407.12
  4. Step 4: Simplify right side
    2,758,526.56x = 3,978,122,771,270.26
  5. Step 5: Solve for x
    x = 3,978,122,771,270.26/2,758,526.56
  6. Step 6: Final answer
    x = 1,442,118.71

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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.