Home / 3,189,172.69-4,401,563.16-1,900,760.41

Finding the Fourth Proportional to 3,189,172.69, 4,401,563.16 and 1,900,760.41

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Solution

The fourth proportional to 3,189,172.69, 4,401,563.16 and 1,900,760.41 is: 2,623,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,172.69 : 4,401,563.16 = 1,900,760.41 : x
  2. Step 2: Convert to fraction form
    3,189,172.69/4,401,563.16 = 1,900,760.41/x
  3. Step 3: Cross multiply
    3,189,172.69x = 4,401,563.16 × 1,900,760.41
  4. Step 4: Simplify right side
    3,189,172.69x = 8,366,316,996,642.50
  5. Step 5: Solve for x
    x = 8,366,316,996,642.50/3,189,172.69
  6. Step 6: Final answer
    x = 2,623,350.26

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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.