Home / 3,156,289-4,355,678.82-1,725,505

Finding the Fourth Proportional to 3,156,289, 4,355,678.82 and 1,725,505

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Solution

The fourth proportional to 3,156,289, 4,355,678.82 and 1,725,505 is: 2,381,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,289 : 4,355,678.82 = 1,725,505 : x
  2. Step 2: Convert to fraction form
    3,156,289/4,355,678.82 = 1,725,505/x
  3. Step 3: Cross multiply
    3,156,289x = 4,355,678.82 × 1,725,505
  4. Step 4: Simplify right side
    3,156,289x = 7,515,745,582,304.10
  5. Step 5: Solve for x
    x = 7,515,745,582,304.10/3,156,289
  6. Step 6: Final answer
    x = 2,381,196.90

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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.