Home / 2,138,801.16-3,208,204.16-642,893.16

Finding the Fourth Proportional to 2,138,801.16, 3,208,204.16 and 642,893.16

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Solution

The fourth proportional to 2,138,801.16, 3,208,204.16 and 642,893.16 is: 964,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,801.16 : 3,208,204.16 = 642,893.16 : x
  2. Step 2: Convert to fraction form
    2,138,801.16/3,208,204.16 = 642,893.16/x
  3. Step 3: Cross multiply
    2,138,801.16x = 3,208,204.16 × 642,893.16
  4. Step 4: Simplify right side
    2,138,801.16x = 2,062,532,510,347.55
  5. Step 5: Solve for x
    x = 2,062,532,510,347.55/2,138,801.16
  6. Step 6: Final answer
    x = 964,340.47

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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.