Home / 5,185,865.03-7,157,170.87-2,894,501.39

Finding the Fourth Proportional to 5,185,865.03, 7,157,170.87 and 2,894,501.39

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Solution

The fourth proportional to 5,185,865.03, 7,157,170.87 and 2,894,501.39 is: 3,994,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,865.03 : 7,157,170.87 = 2,894,501.39 : x
  2. Step 2: Convert to fraction form
    5,185,865.03/7,157,170.87 = 2,894,501.39/x
  3. Step 3: Cross multiply
    5,185,865.03x = 7,157,170.87 × 2,894,501.39
  4. Step 4: Simplify right side
    5,185,865.03x = 20,716,440,988,660.40
  5. Step 5: Solve for x
    x = 20,716,440,988,660.40/5,185,865.03
  6. Step 6: Final answer
    x = 3,994,789.85

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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.