Home / 2,629,170-3,628,254.60-1,421,946

Finding the Fourth Proportional to 2,629,170, 3,628,254.60 and 1,421,946

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Solution

The fourth proportional to 2,629,170, 3,628,254.60 and 1,421,946 is: 1,962,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,170 : 3,628,254.60 = 1,421,946 : x
  2. Step 2: Convert to fraction form
    2,629,170/3,628,254.60 = 1,421,946/x
  3. Step 3: Cross multiply
    2,629,170x = 3,628,254.60 × 1,421,946
  4. Step 4: Simplify right side
    2,629,170x = 5,159,182,115,451.60
  5. Step 5: Solve for x
    x = 5,159,182,115,451.60/2,629,170
  6. Step 6: Final answer
    x = 1,962,285.48

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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.