Home / 2,167,886.40-2,992,180.80-1,442,764.80

Finding the Fourth Proportional to 2,167,886.40, 2,992,180.80 and 1,442,764.80

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Solution

The fourth proportional to 2,167,886.40, 2,992,180.80 and 1,442,764.80 is: 1,991,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,886.40 : 2,992,180.80 = 1,442,764.80 : x
  2. Step 2: Convert to fraction form
    2,167,886.40/2,992,180.80 = 1,442,764.80/x
  3. Step 3: Cross multiply
    2,167,886.40x = 2,992,180.80 × 1,442,764.80
  4. Step 4: Simplify right side
    2,167,886.40x = 4,317,013,133,475.84
  5. Step 5: Solve for x
    x = 4,317,013,133,475.84/2,167,886.40
  6. Step 6: Final answer
    x = 1,991,346.56

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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.