Home / 3,428,980-5,139,869.48-1,153,714.54

Finding the Fourth Proportional to 3,428,980, 5,139,869.48 and 1,153,714.54

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Solution

The fourth proportional to 3,428,980, 5,139,869.48 and 1,153,714.54 is: 1,729,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,980 : 5,139,869.48 = 1,153,714.54 : x
  2. Step 2: Convert to fraction form
    3,428,980/5,139,869.48 = 1,153,714.54/x
  3. Step 3: Cross multiply
    3,428,980x = 5,139,869.48 × 1,153,714.54
  4. Step 4: Simplify right side
    3,428,980x = 5,929,942,152,778.24
  5. Step 5: Solve for x
    x = 5,929,942,152,778.24/3,428,980
  6. Step 6: Final answer
    x = 1,729,360.38

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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.