Home / 2,768,030.88-3,820,149.72-1,680,051.84

Finding the Fourth Proportional to 2,768,030.88, 3,820,149.72 and 1,680,051.84

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Solution

The fourth proportional to 2,768,030.88, 3,820,149.72 and 1,680,051.84 is: 2,318,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,030.88 : 3,820,149.72 = 1,680,051.84 : x
  2. Step 2: Convert to fraction form
    2,768,030.88/3,820,149.72 = 1,680,051.84/x
  3. Step 3: Cross multiply
    2,768,030.88x = 3,820,149.72 × 1,680,051.84
  4. Step 4: Simplify right side
    2,768,030.88x = 6,418,049,566,161.49
  5. Step 5: Solve for x
    x = 6,418,049,566,161.49/2,768,030.88
  6. Step 6: Final answer
    x = 2,318,633.66

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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.