Home / 2,608,678.08-3,598,450.56-1,640,275.20

Finding the Fourth Proportional to 2,608,678.08, 3,598,450.56 and 1,640,275.20

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Solution

The fourth proportional to 2,608,678.08, 3,598,450.56 and 1,640,275.20 is: 2,262,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608,678.08 : 3,598,450.56 = 1,640,275.20 : x
  2. Step 2: Convert to fraction form
    2,608,678.08/3,598,450.56 = 1,640,275.20/x
  3. Step 3: Cross multiply
    2,608,678.08x = 3,598,450.56 × 1,640,275.20
  4. Step 4: Simplify right side
    2,608,678.08x = 5,902,449,211,994.11
  5. Step 5: Solve for x
    x = 5,902,449,211,994.11/2,608,678.08
  6. Step 6: Final answer
    x = 2,262,620.77

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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.