Home / 2,129,736.76-2,939,155.80-1,162,956.80

Finding the Fourth Proportional to 2,129,736.76, 2,939,155.80 and 1,162,956.80

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Solution

The fourth proportional to 2,129,736.76, 2,939,155.80 and 1,162,956.80 is: 1,604,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,736.76 : 2,939,155.80 = 1,162,956.80 : x
  2. Step 2: Convert to fraction form
    2,129,736.76/2,939,155.80 = 1,162,956.80/x
  3. Step 3: Cross multiply
    2,129,736.76x = 2,939,155.80 × 1,162,956.80
  4. Step 4: Simplify right side
    2,129,736.76x = 3,418,111,223,869.44
  5. Step 5: Solve for x
    x = 3,418,111,223,869.44/2,129,736.76
  6. Step 6: Final answer
    x = 1,604,945.40

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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.