Home / 2,166,930.54-2,988,924.26-1,393,539.16

Finding the Fourth Proportional to 2,166,930.54, 2,988,924.26 and 1,393,539.16

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Solution

The fourth proportional to 2,166,930.54, 2,988,924.26 and 1,393,539.16 is: 1,922,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,930.54 : 2,988,924.26 = 1,393,539.16 : x
  2. Step 2: Convert to fraction form
    2,166,930.54/2,988,924.26 = 1,393,539.16/x
  3. Step 3: Cross multiply
    2,166,930.54x = 2,988,924.26 × 1,393,539.16
  4. Step 4: Simplify right side
    2,166,930.54x = 4,165,183,011,952.99
  5. Step 5: Solve for x
    x = 4,165,183,011,952.99/2,166,930.54
  6. Step 6: Final answer
    x = 1,922,158.07

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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.