Home / 2,154,787.45-2,973,629.58-1,187,952.37

Finding the Fourth Proportional to 2,154,787.45, 2,973,629.58 and 1,187,952.37

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Solution

The fourth proportional to 2,154,787.45, 2,973,629.58 and 1,187,952.37 is: 1,639,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,787.45 : 2,973,629.58 = 1,187,952.37 : x
  2. Step 2: Convert to fraction form
    2,154,787.45/2,973,629.58 = 1,187,952.37/x
  3. Step 3: Cross multiply
    2,154,787.45x = 2,973,629.58 × 1,187,952.37
  4. Step 4: Simplify right side
    2,154,787.45x = 3,532,530,292,194.96
  5. Step 5: Solve for x
    x = 3,532,530,292,194.96/2,154,787.45
  6. Step 6: Final answer
    x = 1,639,386.89

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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.