Home / 1,947,980.29-2,922,626.53-1,227,485.29

Finding the Fourth Proportional to 1,947,980.29, 2,922,626.53 and 1,227,485.29

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Solution

The fourth proportional to 1,947,980.29, 2,922,626.53 and 1,227,485.29 is: 1,841,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,980.29 : 2,922,626.53 = 1,227,485.29 : x
  2. Step 2: Convert to fraction form
    1,947,980.29/2,922,626.53 = 1,227,485.29/x
  3. Step 3: Cross multiply
    1,947,980.29x = 2,922,626.53 × 1,227,485.29
  4. Step 4: Simplify right side
    1,947,980.29x = 3,587,481,073,738.74
  5. Step 5: Solve for x
    x = 3,587,481,073,738.74/1,947,980.29
  6. Step 6: Final answer
    x = 1,841,641.36

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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.