Home / 2,158,393.08-2,978,606.58-1,191,523.88

Finding the Fourth Proportional to 2,158,393.08, 2,978,606.58 and 1,191,523.88

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Solution

The fourth proportional to 2,158,393.08, 2,978,606.58 and 1,191,523.88 is: 1,644,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,393.08 : 2,978,606.58 = 1,191,523.88 : x
  2. Step 2: Convert to fraction form
    2,158,393.08/2,978,606.58 = 1,191,523.88/x
  3. Step 3: Cross multiply
    2,158,393.08x = 2,978,606.58 × 1,191,523.88
  4. Step 4: Simplify right side
    2,158,393.08x = 3,549,080,869,195.13
  5. Step 5: Solve for x
    x = 3,549,080,869,195.13/2,158,393.08
  6. Step 6: Final answer
    x = 1,644,316.27

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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.