Home / 2,155,334.25-2,974,254.36-1,224,920.35

Finding the Fourth Proportional to 2,155,334.25, 2,974,254.36 and 1,224,920.35

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Solution

The fourth proportional to 2,155,334.25, 2,974,254.36 and 1,224,920.35 is: 1,690,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,334.25 : 2,974,254.36 = 1,224,920.35 : x
  2. Step 2: Convert to fraction form
    2,155,334.25/2,974,254.36 = 1,224,920.35/x
  3. Step 3: Cross multiply
    2,155,334.25x = 2,974,254.36 × 1,224,920.35
  4. Step 4: Simplify right side
    2,155,334.25x = 3,643,224,691,640.23
  5. Step 5: Solve for x
    x = 3,643,224,691,640.23/2,155,334.25
  6. Step 6: Final answer
    x = 1,690,329.33

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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.