Home / 3,684,721.32-5,084,925.84-2,136,283.20

Finding the Fourth Proportional to 3,684,721.32, 5,084,925.84 and 2,136,283.20

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Solution

The fourth proportional to 3,684,721.32, 5,084,925.84 and 2,136,283.20 is: 2,948,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,721.32 : 5,084,925.84 = 2,136,283.20 : x
  2. Step 2: Convert to fraction form
    3,684,721.32/5,084,925.84 = 2,136,283.20/x
  3. Step 3: Cross multiply
    3,684,721.32x = 5,084,925.84 × 2,136,283.20
  4. Step 4: Simplify right side
    3,684,721.32x = 10,862,841,645,237.89
  5. Step 5: Solve for x
    x = 10,862,841,645,237.89/3,684,721.32
  6. Step 6: Final answer
    x = 2,948,076.86

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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.