Home / 6,436,456.72-8,881,323.88-3,719,678.48

Finding the Fourth Proportional to 6,436,456.72, 8,881,323.88 and 3,719,678.48

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Solution

The fourth proportional to 6,436,456.72, 8,881,323.88 and 3,719,678.48 is: 5,132,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,456.72 : 8,881,323.88 = 3,719,678.48 : x
  2. Step 2: Convert to fraction form
    6,436,456.72/8,881,323.88 = 3,719,678.48/x
  3. Step 3: Cross multiply
    6,436,456.72x = 8,881,323.88 × 3,719,678.48
  4. Step 4: Simplify right side
    6,436,456.72x = 33,035,669,310,346.11
  5. Step 5: Solve for x
    x = 33,035,669,310,346.11/6,436,456.72
  6. Step 6: Final answer
    x = 5,132,586.26

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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.