Home / 2,945,122.90-4,055,018.22-2,502,664.21

Finding the Fourth Proportional to 2,945,122.90, 4,055,018.22 and 2,502,664.21

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Solution

The fourth proportional to 2,945,122.90, 4,055,018.22 and 2,502,664.21 is: 3,445,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,122.90 : 4,055,018.22 = 2,502,664.21 : x
  2. Step 2: Convert to fraction form
    2,945,122.90/4,055,018.22 = 2,502,664.21/x
  3. Step 3: Cross multiply
    2,945,122.90x = 4,055,018.22 × 2,502,664.21
  4. Step 4: Simplify right side
    2,945,122.90x = 10,148,348,970,091.91
  5. Step 5: Solve for x
    x = 10,148,348,970,091.91/2,945,122.90
  6. Step 6: Final answer
    x = 3,445,815.10

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1.5x scale

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.