Home / 6,911,667.18-10,366,319.37-1,861,796.70

Finding the Fourth Proportional to 6,911,667.18, 10,366,319.37 and 1,861,796.70

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Solution

The fourth proportional to 6,911,667.18, 10,366,319.37 and 1,861,796.70 is: 2,792,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,667.18 : 10,366,319.37 = 1,861,796.70 : x
  2. Step 2: Convert to fraction form
    6,911,667.18/10,366,319.37 = 1,861,796.70/x
  3. Step 3: Cross multiply
    6,911,667.18x = 10,366,319.37 × 1,861,796.70
  4. Step 4: Simplify right side
    6,911,667.18x = 19,299,979,194,212.08
  5. Step 5: Solve for x
    x = 19,299,979,194,212.08/6,911,667.18
  6. Step 6: Final answer
    x = 2,792,376.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.