Home / 3,181,240.89-4,765,840.51-1,880,499.07

Finding the Fourth Proportional to 3,181,240.89, 4,765,840.51 and 1,880,499.07

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Solution

The fourth proportional to 3,181,240.89, 4,765,840.51 and 1,880,499.07 is: 2,817,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,240.89 : 4,765,840.51 = 1,880,499.07 : x
  2. Step 2: Convert to fraction form
    3,181,240.89/4,765,840.51 = 1,880,499.07/x
  3. Step 3: Cross multiply
    3,181,240.89x = 4,765,840.51 × 1,880,499.07
  4. Step 4: Simplify right side
    3,181,240.89x = 8,962,158,622,994.12
  5. Step 5: Solve for x
    x = 8,962,158,622,994.12/3,181,240.89
  6. Step 6: Final answer
    x = 2,817,189.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.