Home / 2,629,152-3,628,229.76-1,421,928

Finding the Fourth Proportional to 2,629,152, 3,628,229.76 and 1,421,928

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Solution

The fourth proportional to 2,629,152, 3,628,229.76 and 1,421,928 is: 1,962,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,152 : 3,628,229.76 = 1,421,928 : x
  2. Step 2: Convert to fraction form
    2,629,152/3,628,229.76 = 1,421,928/x
  3. Step 3: Cross multiply
    2,629,152x = 3,628,229.76 × 1,421,928
  4. Step 4: Simplify right side
    2,629,152x = 5,159,081,486,177.28
  5. Step 5: Solve for x
    x = 5,159,081,486,177.28/2,629,152
  6. Step 6: Final answer
    x = 1,962,260.64

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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.