Home / 2,039,960.90-2,815,130.47-1,122,170.28

Finding the Fourth Proportional to 2,039,960.90, 2,815,130.47 and 1,122,170.28

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Solution

The fourth proportional to 2,039,960.90, 2,815,130.47 and 1,122,170.28 is: 1,548,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,960.90 : 2,815,130.47 = 1,122,170.28 : x
  2. Step 2: Convert to fraction form
    2,039,960.90/2,815,130.47 = 1,122,170.28/x
  3. Step 3: Cross multiply
    2,039,960.90x = 2,815,130.47 × 1,122,170.28
  4. Step 4: Simplify right side
    2,039,960.90x = 3,159,055,747,756.43
  5. Step 5: Solve for x
    x = 3,159,055,747,756.43/2,039,960.90
  6. Step 6: Final answer
    x = 1,548,586.42

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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.