Home / 2,151,200.80-3,219,802.80-1,675,309.60

Finding the Fourth Proportional to 2,151,200.80, 3,219,802.80 and 1,675,309.60

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Solution

The fourth proportional to 2,151,200.80, 3,219,802.80 and 1,675,309.60 is: 2,507,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,200.80 : 3,219,802.80 = 1,675,309.60 : x
  2. Step 2: Convert to fraction form
    2,151,200.80/3,219,802.80 = 1,675,309.60/x
  3. Step 3: Cross multiply
    2,151,200.80x = 3,219,802.80 × 1,675,309.60
  4. Step 4: Simplify right side
    2,151,200.80x = 5,394,166,540,946.88
  5. Step 5: Solve for x
    x = 5,394,166,540,946.88/2,151,200.80
  6. Step 6: Final answer
    x = 2,507,514.19

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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.