Home / 3,186,976.12-4,397,915.46-1,791,495.16

Finding the Fourth Proportional to 3,186,976.12, 4,397,915.46 and 1,791,495.16

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Solution

The fourth proportional to 3,186,976.12, 4,397,915.46 and 1,791,495.16 is: 2,472,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,976.12 : 4,397,915.46 = 1,791,495.16 : x
  2. Step 2: Convert to fraction form
    3,186,976.12/4,397,915.46 = 1,791,495.16/x
  3. Step 3: Cross multiply
    3,186,976.12x = 4,397,915.46 × 1,791,495.16
  4. Step 4: Simplify right side
    3,186,976.12x = 7,878,844,260,679.17
  5. Step 5: Solve for x
    x = 7,878,844,260,679.17/3,186,976.12
  6. Step 6: Final answer
    x = 2,472,200.60

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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.