Home / 2,166,570.62-2,989,830.82-1,199,680.14

Finding the Fourth Proportional to 2,166,570.62, 2,989,830.82 and 1,199,680.14

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Solution

The fourth proportional to 2,166,570.62, 2,989,830.82 and 1,199,680.14 is: 1,655,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,570.62 : 2,989,830.82 = 1,199,680.14 : x
  2. Step 2: Convert to fraction form
    2,166,570.62/2,989,830.82 = 1,199,680.14/x
  3. Step 3: Cross multiply
    2,166,570.62x = 2,989,830.82 × 1,199,680.14
  4. Step 4: Simplify right side
    2,166,570.62x = 3,586,840,656,713.91
  5. Step 5: Solve for x
    x = 3,586,840,656,713.91/2,166,570.62
  6. Step 6: Final answer
    x = 1,655,538.31

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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.