Home / 2,080,643.70-3,121,051.95-660,659.70

Finding the Fourth Proportional to 2,080,643.70, 3,121,051.95 and 660,659.70

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Solution

The fourth proportional to 2,080,643.70, 3,121,051.95 and 660,659.70 is: 991,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,643.70 : 3,121,051.95 = 660,659.70 : x
  2. Step 2: Convert to fraction form
    2,080,643.70/3,121,051.95 = 660,659.70/x
  3. Step 3: Cross multiply
    2,080,643.70x = 3,121,051.95 × 660,659.70
  4. Step 4: Simplify right side
    2,080,643.70x = 2,061,953,244,971.42
  5. Step 5: Solve for x
    x = 2,061,953,244,971.42/2,080,643.70
  6. Step 6: Final answer
    x = 991,016.98

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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.