Home / 1,667,790.21-2,299,832.04-1,426,870.29

Finding the Fourth Proportional to 1,667,790.21, 2,299,832.04 and 1,426,870.29

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Solution

The fourth proportional to 1,667,790.21, 2,299,832.04 and 1,426,870.29 is: 1,967,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,790.21 : 2,299,832.04 = 1,426,870.29 : x
  2. Step 2: Convert to fraction form
    1,667,790.21/2,299,832.04 = 1,426,870.29/x
  3. Step 3: Cross multiply
    1,667,790.21x = 2,299,832.04 × 1,426,870.29
  4. Step 4: Simplify right side
    1,667,790.21x = 3,281,562,009,866.09
  5. Step 5: Solve for x
    x = 3,281,562,009,866.09/1,667,790.21
  6. Step 6: Final answer
    x = 1,967,610.79

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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.