Home / 3,189,420.66-4,401,241.05-1,812,582.54

Finding the Fourth Proportional to 3,189,420.66, 4,401,241.05 and 1,812,582.54

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Solution

The fourth proportional to 3,189,420.66, 4,401,241.05 and 1,812,582.54 is: 2,501,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,420.66 : 4,401,241.05 = 1,812,582.54 : x
  2. Step 2: Convert to fraction form
    3,189,420.66/4,401,241.05 = 1,812,582.54/x
  3. Step 3: Cross multiply
    3,189,420.66x = 4,401,241.05 × 1,812,582.54
  4. Step 4: Simplify right side
    3,189,420.66x = 7,977,612,681,561.27
  5. Step 5: Solve for x
    x = 7,977,612,681,561.27/3,189,420.66
  6. Step 6: Final answer
    x = 2,501,273.28

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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.