Home / 2,155,179.54-2,974,868.46-1,284,287.46

Finding the Fourth Proportional to 2,155,179.54, 2,974,868.46 and 1,284,287.46

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Solution

The fourth proportional to 2,155,179.54, 2,974,868.46 and 1,284,287.46 is: 1,772,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,179.54 : 2,974,868.46 = 1,284,287.46 : x
  2. Step 2: Convert to fraction form
    2,155,179.54/2,974,868.46 = 1,284,287.46/x
  3. Step 3: Cross multiply
    2,155,179.54x = 2,974,868.46 × 1,284,287.46
  4. Step 4: Simplify right side
    2,155,179.54x = 3,820,586,258,327.51
  5. Step 5: Solve for x
    x = 3,820,586,258,327.51/2,155,179.54
  6. Step 6: Final answer
    x = 1,772,746.16

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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.