Home / 5,233,328.88-7,222,079.07-2,878,619.69

Finding the Fourth Proportional to 5,233,328.88, 7,222,079.07 and 2,878,619.69

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Solution

The fourth proportional to 5,233,328.88, 7,222,079.07 and 2,878,619.69 is: 3,972,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233,328.88 : 7,222,079.07 = 2,878,619.69 : x
  2. Step 2: Convert to fraction form
    5,233,328.88/7,222,079.07 = 2,878,619.69/x
  3. Step 3: Cross multiply
    5,233,328.88x = 7,222,079.07 × 2,878,619.69
  4. Step 4: Simplify right side
    5,233,328.88x = 20,789,619,013,638.89
  5. Step 5: Solve for x
    x = 20,789,619,013,638.89/5,233,328.88
  6. Step 6: Final answer
    x = 3,972,542.05

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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.