Home / 2,129,684.94-2,942,074.31-1,842,706.80

Finding the Fourth Proportional to 2,129,684.94, 2,942,074.31 and 1,842,706.80

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Solution

The fourth proportional to 2,129,684.94, 2,942,074.31 and 1,842,706.80 is: 2,545,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,684.94 : 2,942,074.31 = 1,842,706.80 : x
  2. Step 2: Convert to fraction form
    2,129,684.94/2,942,074.31 = 1,842,706.80/x
  3. Step 3: Cross multiply
    2,129,684.94x = 2,942,074.31 × 1,842,706.80
  4. Step 4: Simplify right side
    2,129,684.94x = 5,421,380,327,928.77
  5. Step 5: Solve for x
    x = 5,421,380,327,928.77/2,129,684.94
  6. Step 6: Final answer
    x = 2,545,625.52

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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.