Home / 1,891,648-2,610,464.88-1,032,205.60

Finding the Fourth Proportional to 1,891,648, 2,610,464.88 and 1,032,205.60

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Solution

The fourth proportional to 1,891,648, 2,610,464.88 and 1,032,205.60 is: 1,424,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,648 : 2,610,464.88 = 1,032,205.60 : x
  2. Step 2: Convert to fraction form
    1,891,648/2,610,464.88 = 1,032,205.60/x
  3. Step 3: Cross multiply
    1,891,648x = 2,610,464.88 × 1,032,205.60
  4. Step 4: Simplify right side
    1,891,648x = 2,694,536,467,739.33
  5. Step 5: Solve for x
    x = 2,694,536,467,739.33/1,891,648
  6. Step 6: Final answer
    x = 1,424,438.62

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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.