Home / 6,438,970.46-8,883,841.56-3,859,710.14

Finding the Fourth Proportional to 6,438,970.46, 8,883,841.56 and 3,859,710.14

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Solution

The fourth proportional to 6,438,970.46, 8,883,841.56 and 3,859,710.14 is: 5,325,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,970.46 : 8,883,841.56 = 3,859,710.14 : x
  2. Step 2: Convert to fraction form
    6,438,970.46/8,883,841.56 = 3,859,710.14/x
  3. Step 3: Cross multiply
    6,438,970.46x = 8,883,841.56 × 3,859,710.14
  4. Step 4: Simplify right side
    6,438,970.46x = 34,289,053,359,021.11
  5. Step 5: Solve for x
    x = 34,289,053,359,021.11/6,438,970.46
  6. Step 6: Final answer
    x = 5,325,238.49

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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.