Home / 1,816,611.82-2,506,894.91-989,695.25

Finding the Fourth Proportional to 1,816,611.82, 2,506,894.91 and 989,695.25

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Solution

The fourth proportional to 1,816,611.82, 2,506,894.91 and 989,695.25 is: 1,365,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,611.82 : 2,506,894.91 = 989,695.25 : x
  2. Step 2: Convert to fraction form
    1,816,611.82/2,506,894.91 = 989,695.25/x
  3. Step 3: Cross multiply
    1,816,611.82x = 2,506,894.91 × 989,695.25
  4. Step 4: Simplify right side
    1,816,611.82x = 2,481,061,984,676.18
  5. Step 5: Solve for x
    x = 2,481,061,984,676.18/1,816,611.82
  6. Step 6: Final answer
    x = 1,365,763.43

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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.