Home / 2,158,234.36-2,978,346.96-1,191,365.38

Finding the Fourth Proportional to 2,158,234.36, 2,978,346.96 and 1,191,365.38

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Solution

The fourth proportional to 2,158,234.36, 2,978,346.96 and 1,191,365.38 is: 1,644,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,234.36 : 2,978,346.96 = 1,191,365.38 : x
  2. Step 2: Convert to fraction form
    2,158,234.36/2,978,346.96 = 1,191,365.38/x
  3. Step 3: Cross multiply
    2,158,234.36x = 2,978,346.96 × 1,191,365.38
  4. Step 4: Simplify right side
    2,158,234.36x = 3,548,299,457,772.24
  5. Step 5: Solve for x
    x = 3,548,299,457,772.24/2,158,234.36
  6. Step 6: Final answer
    x = 1,644,075.14

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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.