Home / 1,422,141.30-2,130,101.55-1,104,102.90

Finding the Fourth Proportional to 1,422,141.30, 2,130,101.55 and 1,104,102.90

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Solution

The fourth proportional to 1,422,141.30, 2,130,101.55 and 1,104,102.90 is: 1,653,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,141.30 : 2,130,101.55 = 1,104,102.90 : x
  2. Step 2: Convert to fraction form
    1,422,141.30/2,130,101.55 = 1,104,102.90/x
  3. Step 3: Cross multiply
    1,422,141.30x = 2,130,101.55 × 1,104,102.90
  4. Step 4: Simplify right side
    1,422,141.30x = 2,351,851,298,649.49
  5. Step 5: Solve for x
    x = 2,351,851,298,649.49/1,422,141.30
  6. Step 6: Final answer
    x = 1,653,739.54

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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.