Home / 2,131,790.80-2,941,865.40-1,164,927.28

Finding the Fourth Proportional to 2,131,790.80, 2,941,865.40 and 1,164,927.28

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Solution

The fourth proportional to 2,131,790.80, 2,941,865.40 and 1,164,927.28 is: 1,607,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,790.80 : 2,941,865.40 = 1,164,927.28 : x
  2. Step 2: Convert to fraction form
    2,131,790.80/2,941,865.40 = 1,164,927.28/x
  3. Step 3: Cross multiply
    2,131,790.80x = 2,941,865.40 × 1,164,927.28
  4. Step 4: Simplify right side
    2,131,790.80x = 3,427,059,258,548.11
  5. Step 5: Solve for x
    x = 3,427,059,258,548.11/2,131,790.80
  6. Step 6: Final answer
    x = 1,607,596.42

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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.