Home / 2,158,553.22-2,978,807.23-1,191,685.08

Finding the Fourth Proportional to 2,158,553.22, 2,978,807.23 and 1,191,685.08

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Solution

The fourth proportional to 2,158,553.22, 2,978,807.23 and 1,191,685.08 is: 1,644,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,553.22 : 2,978,807.23 = 1,191,685.08 : x
  2. Step 2: Convert to fraction form
    2,158,553.22/2,978,807.23 = 1,191,685.08/x
  3. Step 3: Cross multiply
    2,158,553.22x = 2,978,807.23 × 1,191,685.08
  4. Step 4: Simplify right side
    2,158,553.22x = 3,549,800,132,187.13
  5. Step 5: Solve for x
    x = 3,549,800,132,187.13/2,158,553.22
  6. Step 6: Final answer
    x = 1,644,527.50

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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.