Home / 3,186,643.06-4,781,377.50-1,669,965.45

Finding the Fourth Proportional to 3,186,643.06, 4,781,377.50 and 1,669,965.45

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Solution

The fourth proportional to 3,186,643.06, 4,781,377.50 and 1,669,965.45 is: 2,505,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,643.06 : 4,781,377.50 = 1,669,965.45 : x
  2. Step 2: Convert to fraction form
    3,186,643.06/4,781,377.50 = 1,669,965.45/x
  3. Step 3: Cross multiply
    3,186,643.06x = 4,781,377.50 × 1,669,965.45
  4. Step 4: Simplify right side
    3,186,643.06x = 7,984,735,228,407.38
  5. Step 5: Solve for x
    x = 7,984,735,228,407.38/3,186,643.06
  6. Step 6: Final answer
    x = 2,505,688.61

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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.