Home / 2,151,205.90-2,968,551.43-1,184,147.31

Finding the Fourth Proportional to 2,151,205.90, 2,968,551.43 and 1,184,147.31

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Solution

The fourth proportional to 2,151,205.90, 2,968,551.43 and 1,184,147.31 is: 1,634,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,205.90 : 2,968,551.43 = 1,184,147.31 : x
  2. Step 2: Convert to fraction form
    2,151,205.90/2,968,551.43 = 1,184,147.31/x
  3. Step 3: Cross multiply
    2,151,205.90x = 2,968,551.43 × 1,184,147.31
  4. Step 4: Simplify right side
    2,151,205.90x = 3,515,202,190,431.15
  5. Step 5: Solve for x
    x = 3,515,202,190,431.15/2,151,205.90
  6. Step 6: Final answer
    x = 1,634,061.24

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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.