Home / 5,638,392.36-7,780,978.26-3,190,959

Finding the Fourth Proportional to 5,638,392.36, 7,780,978.26 and 3,190,959

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Solution

The fourth proportional to 5,638,392.36, 7,780,978.26 and 3,190,959 is: 4,403,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,392.36 : 7,780,978.26 = 3,190,959 : x
  2. Step 2: Convert to fraction form
    5,638,392.36/7,780,978.26 = 3,190,959/x
  3. Step 3: Cross multiply
    5,638,392.36x = 7,780,978.26 × 3,190,959
  4. Step 4: Simplify right side
    5,638,392.36x = 24,828,782,607,551.34
  5. Step 5: Solve for x
    x = 24,828,782,607,551.34/5,638,392.36
  6. Step 6: Final answer
    x = 4,403,521.61

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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.