Home / 2,129,323.80-3,191,327.59-1,064,670.33

Finding the Fourth Proportional to 2,129,323.80, 3,191,327.59 and 1,064,670.33

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Solution

The fourth proportional to 2,129,323.80, 3,191,327.59 and 1,064,670.33 is: 1,595,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,323.80 : 3,191,327.59 = 1,064,670.33 : x
  2. Step 2: Convert to fraction form
    2,129,323.80/3,191,327.59 = 1,064,670.33/x
  3. Step 3: Cross multiply
    2,129,323.80x = 3,191,327.59 × 1,064,670.33
  4. Step 4: Simplify right side
    2,129,323.80x = 3,397,711,798,383.41
  5. Step 5: Solve for x
    x = 3,397,711,798,383.41/2,129,323.80
  6. Step 6: Final answer
    x = 1,595,676.43

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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.