Home / 2,661,522.60-3,994,908.30-1,315,205.40

Finding the Fourth Proportional to 2,661,522.60, 3,994,908.30 and 1,315,205.40

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Solution

The fourth proportional to 2,661,522.60, 3,994,908.30 and 1,315,205.40 is: 1,974,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,522.60 : 3,994,908.30 = 1,315,205.40 : x
  2. Step 2: Convert to fraction form
    2,661,522.60/3,994,908.30 = 1,315,205.40/x
  3. Step 3: Cross multiply
    2,661,522.60x = 3,994,908.30 × 1,315,205.40
  4. Step 4: Simplify right side
    2,661,522.60x = 5,254,124,968,664.82
  5. Step 5: Solve for x
    x = 5,254,124,968,664.82/2,661,522.60
  6. Step 6: Final answer
    x = 1,974,104.96

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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.