Home / 3,129,879.44-4,319,615.04-1,840,657.52

Finding the Fourth Proportional to 3,129,879.44, 4,319,615.04 and 1,840,657.52

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Solution

The fourth proportional to 3,129,879.44, 4,319,615.04 and 1,840,657.52 is: 2,540,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,879.44 : 4,319,615.04 = 1,840,657.52 : x
  2. Step 2: Convert to fraction form
    3,129,879.44/4,319,615.04 = 1,840,657.52/x
  3. Step 3: Cross multiply
    3,129,879.44x = 4,319,615.04 × 1,840,657.52
  4. Step 4: Simplify right side
    3,129,879.44x = 7,950,931,906,881.10
  5. Step 5: Solve for x
    x = 7,950,931,906,881.10/3,129,879.44
  6. Step 6: Final answer
    x = 2,540,331.68

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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.