Home / 2,749,154.40-4,123,848.24-855,931.68

Finding the Fourth Proportional to 2,749,154.40, 4,123,848.24 and 855,931.68

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Solution

The fourth proportional to 2,749,154.40, 4,123,848.24 and 855,931.68 is: 1,283,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,154.40 : 4,123,848.24 = 855,931.68 : x
  2. Step 2: Convert to fraction form
    2,749,154.40/4,123,848.24 = 855,931.68/x
  3. Step 3: Cross multiply
    2,749,154.40x = 4,123,848.24 × 855,931.68
  4. Step 4: Simplify right side
    2,749,154.40x = 3,529,732,352,128.24
  5. Step 5: Solve for x
    x = 3,529,732,352,128.24/2,749,154.40
  6. Step 6: Final answer
    x = 1,283,933.84

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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.