Home / 2,129,322.80-3,191,326.09-1,064,669.33

Finding the Fourth Proportional to 2,129,322.80, 3,191,326.09 and 1,064,669.33

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Solution

The fourth proportional to 2,129,322.80, 3,191,326.09 and 1,064,669.33 is: 1,595,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,322.80 : 3,191,326.09 = 1,064,669.33 : x
  2. Step 2: Convert to fraction form
    2,129,322.80/3,191,326.09 = 1,064,669.33/x
  3. Step 3: Cross multiply
    2,129,322.80x = 3,191,326.09 × 1,064,669.33
  4. Step 4: Simplify right side
    2,129,322.80x = 3,397,707,015,368.46
  5. Step 5: Solve for x
    x = 3,397,707,015,368.46/2,129,322.80
  6. Step 6: Final answer
    x = 1,595,674.93

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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.