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Finding the Fourth Proportional to 4,809,887.93, 7,215,496.20 and 1,615,927.52

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Solution

The fourth proportional to 4,809,887.93, 7,215,496.20 and 1,615,927.52 is: 2,424,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809,887.93 : 7,215,496.20 = 1,615,927.52 : x
  2. Step 2: Convert to fraction form
    4,809,887.93/7,215,496.20 = 1,615,927.52/x
  3. Step 3: Cross multiply
    4,809,887.93x = 7,215,496.20 × 1,615,927.52
  4. Step 4: Simplify right side
    4,809,887.93x = 11,659,718,898,074.16
  5. Step 5: Solve for x
    x = 11,659,718,898,074.16/4,809,887.93
  6. Step 6: Final answer
    x = 2,424,114.46

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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.