Home / 3,768,881.36-5,653,134.95-1,210,221.56

Finding the Fourth Proportional to 3,768,881.36, 5,653,134.95 and 1,210,221.56

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Solution

The fourth proportional to 3,768,881.36, 5,653,134.95 and 1,210,221.56 is: 1,815,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,881.36 : 5,653,134.95 = 1,210,221.56 : x
  2. Step 2: Convert to fraction form
    3,768,881.36/5,653,134.95 = 1,210,221.56/x
  3. Step 3: Cross multiply
    3,768,881.36x = 5,653,134.95 × 1,210,221.56
  4. Step 4: Simplify right side
    3,768,881.36x = 6,841,545,782,872.04
  5. Step 5: Solve for x
    x = 6,841,545,782,872.04/3,768,881.36
  6. Step 6: Final answer
    x = 1,815,272.26

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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.