Home / 2,166,691.64-2,990,029.63-1,248,914.71

Finding the Fourth Proportional to 2,166,691.64, 2,990,029.63 and 1,248,914.71

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Solution

The fourth proportional to 2,166,691.64, 2,990,029.63 and 1,248,914.71 is: 1,723,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,691.64 : 2,990,029.63 = 1,248,914.71 : x
  2. Step 2: Convert to fraction form
    2,166,691.64/2,990,029.63 = 1,248,914.71/x
  3. Step 3: Cross multiply
    2,166,691.64x = 2,990,029.63 × 1,248,914.71
  4. Step 4: Simplify right side
    2,166,691.64x = 3,734,291,967,048.14
  5. Step 5: Solve for x
    x = 3,734,291,967,048.14/2,166,691.64
  6. Step 6: Final answer
    x = 1,723,499.50

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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.