Home / 1,816,647.82-2,506,976.37-989,717.32

Finding the Fourth Proportional to 1,816,647.82, 2,506,976.37 and 989,717.32

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Solution

The fourth proportional to 1,816,647.82, 2,506,976.37 and 989,717.32 is: 1,365,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,647.82 : 2,506,976.37 = 989,717.32 : x
  2. Step 2: Convert to fraction form
    1,816,647.82/2,506,976.37 = 989,717.32/x
  3. Step 3: Cross multiply
    1,816,647.82x = 2,506,976.37 × 989,717.32
  4. Step 4: Simplify right side
    1,816,647.82x = 2,481,197,934,219.73
  5. Step 5: Solve for x
    x = 2,481,197,934,219.73/1,816,647.82
  6. Step 6: Final answer
    x = 1,365,811.20

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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.