Home / 3,189,643.11-4,401,817.83-1,813,044.47

Finding the Fourth Proportional to 3,189,643.11, 4,401,817.83 and 1,813,044.47

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Solution

The fourth proportional to 3,189,643.11, 4,401,817.83 and 1,813,044.47 is: 2,502,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,643.11 : 4,401,817.83 = 1,813,044.47 : x
  2. Step 2: Convert to fraction form
    3,189,643.11/4,401,817.83 = 1,813,044.47/x
  3. Step 3: Cross multiply
    3,189,643.11x = 4,401,817.83 × 1,813,044.47
  4. Step 4: Simplify right side
    3,189,643.11x = 7,980,691,452,619.81
  5. Step 5: Solve for x
    x = 7,980,691,452,619.81/3,189,643.11
  6. Step 6: Final answer
    x = 2,502,064.08

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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.