Home / 1,729,311.66-2,369,145.93-1,664,643.47

Finding the Fourth Proportional to 1,729,311.66, 2,369,145.93 and 1,664,643.47

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Solution

The fourth proportional to 1,729,311.66, 2,369,145.93 and 1,664,643.47 is: 2,280,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,311.66 : 2,369,145.93 = 1,664,643.47 : x
  2. Step 2: Convert to fraction form
    1,729,311.66/2,369,145.93 = 1,664,643.47/x
  3. Step 3: Cross multiply
    1,729,311.66x = 2,369,145.93 × 1,664,643.47
  4. Step 4: Simplify right side
    1,729,311.66x = 3,943,783,290,005.85
  5. Step 5: Solve for x
    x = 3,943,783,290,005.85/1,729,311.66
  6. Step 6: Final answer
    x = 2,280,550.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.