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Finding the Fourth Proportional to 2,869,388.36, 3,959,708.09 and 1,580,348.69

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Solution

The fourth proportional to 2,869,388.36, 3,959,708.09 and 1,580,348.69 is: 2,180,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,388.36 : 3,959,708.09 = 1,580,348.69 : x
  2. Step 2: Convert to fraction form
    2,869,388.36/3,959,708.09 = 1,580,348.69/x
  3. Step 3: Cross multiply
    2,869,388.36x = 3,959,708.09 × 1,580,348.69
  4. Step 4: Simplify right side
    2,869,388.36x = 6,257,719,506,664.04
  5. Step 5: Solve for x
    x = 6,257,719,506,664.04/2,869,388.36
  6. Step 6: Final answer
    x = 2,180,854.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.