Home / 6,400,940.96-8,835,522.96-3,685,769.12

Finding the Fourth Proportional to 6,400,940.96, 8,835,522.96 and 3,685,769.12

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Solution

The fourth proportional to 6,400,940.96, 8,835,522.96 and 3,685,769.12 is: 5,087,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,940.96 : 8,835,522.96 = 3,685,769.12 : x
  2. Step 2: Convert to fraction form
    6,400,940.96/8,835,522.96 = 3,685,769.12/x
  3. Step 3: Cross multiply
    6,400,940.96x = 8,835,522.96 × 3,685,769.12
  4. Step 4: Simplify right side
    6,400,940.96x = 32,565,697,685,019
  5. Step 5: Solve for x
    x = 32,565,697,685,019/6,400,940.96
  6. Step 6: Final answer
    x = 5,087,642.25

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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.