Home / 5,078,020.88-7,616,998.44-1,291,471.04

Finding the Fourth Proportional to 5,078,020.88, 7,616,998.44 and 1,291,471.04

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Solution

The fourth proportional to 5,078,020.88, 7,616,998.44 and 1,291,471.04 is: 1,937,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,020.88 : 7,616,998.44 = 1,291,471.04 : x
  2. Step 2: Convert to fraction form
    5,078,020.88/7,616,998.44 = 1,291,471.04/x
  3. Step 3: Cross multiply
    5,078,020.88x = 7,616,998.44 × 1,291,471.04
  4. Step 4: Simplify right side
    5,078,020.88x = 9,837,132,896,985.18
  5. Step 5: Solve for x
    x = 9,837,132,896,985.18/5,078,020.88
  6. Step 6: Final answer
    x = 1,937,198.20

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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.