Home / 2,171,863.52-2,997,172.02-1,204,991.51

Finding the Fourth Proportional to 2,171,863.52, 2,997,172.02 and 1,204,991.51

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Solution

The fourth proportional to 2,171,863.52, 2,997,172.02 and 1,204,991.51 is: 1,662,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,863.52 : 2,997,172.02 = 1,204,991.51 : x
  2. Step 2: Convert to fraction form
    2,171,863.52/2,997,172.02 = 1,204,991.51/x
  3. Step 3: Cross multiply
    2,171,863.52x = 2,997,172.02 × 1,204,991.51
  4. Step 4: Simplify right side
    2,171,863.52x = 3,611,566,838,881.80
  5. Step 5: Solve for x
    x = 3,611,566,838,881.80/2,171,863.52
  6. Step 6: Final answer
    x = 1,662,888.48

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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.