Home / 1,816,825.77-2,507,221.98-989,895.09

Finding the Fourth Proportional to 1,816,825.77, 2,507,221.98 and 989,895.09

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Solution

The fourth proportional to 1,816,825.77, 2,507,221.98 and 989,895.09 is: 1,366,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,825.77 : 2,507,221.98 = 989,895.09 : x
  2. Step 2: Convert to fraction form
    1,816,825.77/2,507,221.98 = 989,895.09/x
  3. Step 3: Cross multiply
    1,816,825.77x = 2,507,221.98 × 989,895.09
  4. Step 4: Simplify right side
    1,816,825.77x = 2,481,886,727,542.08
  5. Step 5: Solve for x
    x = 2,481,886,727,542.08/1,816,825.77
  6. Step 6: Final answer
    x = 1,366,056.54

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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.