Home / 1,824,421.80-2,737,078.14-1,285,728.84

Finding the Fourth Proportional to 1,824,421.80, 2,737,078.14 and 1,285,728.84

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Solution

The fourth proportional to 1,824,421.80, 2,737,078.14 and 1,285,728.84 is: 1,928,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824,421.80 : 2,737,078.14 = 1,285,728.84 : x
  2. Step 2: Convert to fraction form
    1,824,421.80/2,737,078.14 = 1,285,728.84/x
  3. Step 3: Cross multiply
    1,824,421.80x = 2,737,078.14 × 1,285,728.84
  4. Step 4: Simplify right side
    1,824,421.80x = 3,519,140,301,931.56
  5. Step 5: Solve for x
    x = 3,519,140,301,931.56/1,824,421.80
  6. Step 6: Final answer
    x = 1,928,907.18

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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.