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Finding the Fourth Proportional to 3,556,752, 4,908,318 and 1,947,120

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Solution

The fourth proportional to 3,556,752, 4,908,318 and 1,947,120 is: 2,687,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,752 : 4,908,318 = 1,947,120 : x
  2. Step 2: Convert to fraction form
    3,556,752/4,908,318 = 1,947,120/x
  3. Step 3: Cross multiply
    3,556,752x = 4,908,318 × 1,947,120
  4. Step 4: Simplify right side
    3,556,752x = 9,557,084,144,160
  5. Step 5: Solve for x
    x = 9,557,084,144,160/3,556,752
  6. Step 6: Final answer
    x = 2,687,025.73

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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.