Home / 3,908,611.83-5,393,612.09-2,166,264.17

Finding the Fourth Proportional to 3,908,611.83, 5,393,612.09 and 2,166,264.17

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Solution

The fourth proportional to 3,908,611.83, 5,393,612.09 and 2,166,264.17 is: 2,989,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,611.83 : 5,393,612.09 = 2,166,264.17 : x
  2. Step 2: Convert to fraction form
    3,908,611.83/5,393,612.09 = 2,166,264.17/x
  3. Step 3: Cross multiply
    3,908,611.83x = 5,393,612.09 × 2,166,264.17
  4. Step 4: Simplify right side
    3,908,611.83x = 11,683,988,595,893.42
  5. Step 5: Solve for x
    x = 11,683,988,595,893.42/3,908,611.83
  6. Step 6: Final answer
    x = 2,989,293.67

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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.