Home / 1,830,871.31-2,740,919.57-1,222,149.77

Finding the Fourth Proportional to 1,830,871.31, 2,740,919.57 and 1,222,149.77

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Solution

The fourth proportional to 1,830,871.31, 2,740,919.57 and 1,222,149.77 is: 1,829,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,871.31 : 2,740,919.57 = 1,222,149.77 : x
  2. Step 2: Convert to fraction form
    1,830,871.31/2,740,919.57 = 1,222,149.77/x
  3. Step 3: Cross multiply
    1,830,871.31x = 2,740,919.57 × 1,222,149.77
  4. Step 4: Simplify right side
    1,830,871.31x = 3,349,814,215,953.25
  5. Step 5: Solve for x
    x = 3,349,814,215,953.25/1,830,871.31
  6. Step 6: Final answer
    x = 1,829,628.44

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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.