Home / 3,118,188.24-4,303,012.68-1,760,187.60

Finding the Fourth Proportional to 3,118,188.24, 4,303,012.68 and 1,760,187.60

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Solution

The fourth proportional to 3,118,188.24, 4,303,012.68 and 1,760,187.60 is: 2,429,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,188.24 : 4,303,012.68 = 1,760,187.60 : x
  2. Step 2: Convert to fraction form
    3,118,188.24/4,303,012.68 = 1,760,187.60/x
  3. Step 3: Cross multiply
    3,118,188.24x = 4,303,012.68 × 1,760,187.60
  4. Step 4: Simplify right side
    3,118,188.24x = 7,574,109,561,978.77
  5. Step 5: Solve for x
    x = 7,574,109,561,978.77/3,118,188.24
  6. Step 6: Final answer
    x = 2,429,009.73

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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.