Home / 2,286,778.40-3,429,059.76-689,043.68

Finding the Fourth Proportional to 2,286,778.40, 3,429,059.76 and 689,043.68

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Solution

The fourth proportional to 2,286,778.40, 3,429,059.76 and 689,043.68 is: 1,033,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,778.40 : 3,429,059.76 = 689,043.68 : x
  2. Step 2: Convert to fraction form
    2,286,778.40/3,429,059.76 = 689,043.68/x
  3. Step 3: Cross multiply
    2,286,778.40x = 3,429,059.76 × 689,043.68
  4. Step 4: Simplify right side
    2,286,778.40x = 2,362,771,955,970.32
  5. Step 5: Solve for x
    x = 2,362,771,955,970.32/2,286,778.40
  6. Step 6: Final answer
    x = 1,033,231.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.