Home / 2,651,739.20-3,978,184.80-968,840

Finding the Fourth Proportional to 2,651,739.20, 3,978,184.80 and 968,840

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Solution

The fourth proportional to 2,651,739.20, 3,978,184.80 and 968,840 is: 1,453,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651,739.20 : 3,978,184.80 = 968,840 : x
  2. Step 2: Convert to fraction form
    2,651,739.20/3,978,184.80 = 968,840/x
  3. Step 3: Cross multiply
    2,651,739.20x = 3,978,184.80 × 968,840
  4. Step 4: Simplify right side
    2,651,739.20x = 3,854,224,561,632
  5. Step 5: Solve for x
    x = 3,854,224,561,632/2,651,739.20
  6. Step 6: Final answer
    x = 1,453,470.45

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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.