Home / 2,168,933.90-2,993,129.04-1,202,126.57

Finding the Fourth Proportional to 2,168,933.90, 2,993,129.04 and 1,202,126.57

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Solution

The fourth proportional to 2,168,933.90, 2,993,129.04 and 1,202,126.57 is: 1,658,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,933.90 : 2,993,129.04 = 1,202,126.57 : x
  2. Step 2: Convert to fraction form
    2,168,933.90/2,993,129.04 = 1,202,126.57/x
  3. Step 3: Cross multiply
    2,168,933.90x = 2,993,129.04 × 1,202,126.57
  4. Step 4: Simplify right side
    2,168,933.90x = 3,598,119,946,422.59
  5. Step 5: Solve for x
    x = 3,598,119,946,422.59/2,168,933.90
  6. Step 6: Final answer
    x = 1,658,934.81

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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.