Home / 2,125,586.84-3,188,383.68-646,741.58

Finding the Fourth Proportional to 2,125,586.84, 3,188,383.68 and 646,741.58

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Solution

The fourth proportional to 2,125,586.84, 3,188,383.68 and 646,741.58 is: 970,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,586.84 : 3,188,383.68 = 646,741.58 : x
  2. Step 2: Convert to fraction form
    2,125,586.84/3,188,383.68 = 646,741.58/x
  3. Step 3: Cross multiply
    2,125,586.84x = 3,188,383.68 × 646,741.58
  4. Step 4: Simplify right side
    2,125,586.84x = 2,062,060,298,849.41
  5. Step 5: Solve for x
    x = 2,062,060,298,849.41/2,125,586.84
  6. Step 6: Final answer
    x = 970,113.41

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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.