Home / 2,640,224.50-3,959,702.43-1,218,915.06

Finding the Fourth Proportional to 2,640,224.50, 3,959,702.43 and 1,218,915.06

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Solution

The fourth proportional to 2,640,224.50, 3,959,702.43 and 1,218,915.06 is: 1,828,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,224.50 : 3,959,702.43 = 1,218,915.06 : x
  2. Step 2: Convert to fraction form
    2,640,224.50/3,959,702.43 = 1,218,915.06/x
  3. Step 3: Cross multiply
    2,640,224.50x = 3,959,702.43 × 1,218,915.06
  4. Step 4: Simplify right side
    2,640,224.50x = 4,826,540,925,045.60
  5. Step 5: Solve for x
    x = 4,826,540,925,045.60/2,640,224.50
  6. Step 6: Final answer
    x = 1,828,079.74

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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.