Home / 5,638,378.86-7,780,959.63-3,190,945.46

Finding the Fourth Proportional to 5,638,378.86, 7,780,959.63 and 3,190,945.46

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Solution

The fourth proportional to 5,638,378.86, 7,780,959.63 and 3,190,945.46 is: 4,403,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,378.86 : 7,780,959.63 = 3,190,945.46 : x
  2. Step 2: Convert to fraction form
    5,638,378.86/7,780,959.63 = 3,190,945.46/x
  3. Step 3: Cross multiply
    5,638,378.86x = 7,780,959.63 × 3,190,945.46
  4. Step 4: Simplify right side
    5,638,378.86x = 24,828,617,766,886.98
  5. Step 5: Solve for x
    x = 24,828,617,766,886.98/5,638,378.86
  6. Step 6: Final answer
    x = 4,403,502.92

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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.