Home / 2,629,068.60-3,940,881.30-1,428,454.20

Finding the Fourth Proportional to 2,629,068.60, 3,940,881.30 and 1,428,454.20

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Solution

The fourth proportional to 2,629,068.60, 3,940,881.30 and 1,428,454.20 is: 2,141,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,068.60 : 3,940,881.30 = 1,428,454.20 : x
  2. Step 2: Convert to fraction form
    2,629,068.60/3,940,881.30 = 1,428,454.20/x
  3. Step 3: Cross multiply
    2,629,068.60x = 3,940,881.30 × 1,428,454.20
  4. Step 4: Simplify right side
    2,629,068.60x = 5,629,368,444,686.46
  5. Step 5: Solve for x
    x = 5,629,368,444,686.46/2,629,068.60
  6. Step 6: Final answer
    x = 2,141,202.57

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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.