Home / 5,678,384.28-7,835,875.84-3,230,945.76

Finding the Fourth Proportional to 5,678,384.28, 7,835,875.84 and 3,230,945.76

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Solution

The fourth proportional to 5,678,384.28, 7,835,875.84 and 3,230,945.76 is: 4,458,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,384.28 : 7,835,875.84 = 3,230,945.76 : x
  2. Step 2: Convert to fraction form
    5,678,384.28/7,835,875.84 = 3,230,945.76/x
  3. Step 3: Cross multiply
    5,678,384.28x = 7,835,875.84 × 3,230,945.76
  4. Step 4: Simplify right side
    5,678,384.28x = 25,317,289,821,134.44
  5. Step 5: Solve for x
    x = 25,317,289,821,134.44/5,678,384.28
  6. Step 6: Final answer
    x = 4,458,537.60

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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.