Home / 1,427,091.60-2,140,994.32-1,007,187.60

Finding the Fourth Proportional to 1,427,091.60, 2,140,994.32 and 1,007,187.60

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Solution

The fourth proportional to 1,427,091.60, 2,140,994.32 and 1,007,187.60 is: 1,511,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,091.60 : 2,140,994.32 = 1,007,187.60 : x
  2. Step 2: Convert to fraction form
    1,427,091.60/2,140,994.32 = 1,007,187.60/x
  3. Step 3: Cross multiply
    1,427,091.60x = 2,140,994.32 × 1,007,187.60
  4. Step 4: Simplify right side
    1,427,091.60x = 2,156,382,930,774.43
  5. Step 5: Solve for x
    x = 2,156,382,930,774.43/1,427,091.60
  6. Step 6: Final answer
    x = 1,511,033.30

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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.