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Finding the Fourth Proportional to 5,305,801.79, 7,960,384.95 and 1,894,015.26

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Solution

The fourth proportional to 5,305,801.79, 7,960,384.95 and 1,894,015.26 is: 2,841,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,801.79 : 7,960,384.95 = 1,894,015.26 : x
  2. Step 2: Convert to fraction form
    5,305,801.79/7,960,384.95 = 1,894,015.26/x
  3. Step 3: Cross multiply
    5,305,801.79x = 7,960,384.95 × 1,894,015.26
  4. Step 4: Simplify right side
    5,305,801.79x = 15,077,090,570,774.34
  5. Step 5: Solve for x
    x = 15,077,090,570,774.34/5,305,801.79
  6. Step 6: Final answer
    x = 2,841,623.41

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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.