Home / 1,988,816.37-2,744,494.02-1,215,741.96

Finding the Fourth Proportional to 1,988,816.37, 2,744,494.02 and 1,215,741.96

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Solution

The fourth proportional to 1,988,816.37, 2,744,494.02 and 1,215,741.96 is: 1,677,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,816.37 : 2,744,494.02 = 1,215,741.96 : x
  2. Step 2: Convert to fraction form
    1,988,816.37/2,744,494.02 = 1,215,741.96/x
  3. Step 3: Cross multiply
    1,988,816.37x = 2,744,494.02 × 1,215,741.96
  4. Step 4: Simplify right side
    1,988,816.37x = 3,336,596,539,083.08
  5. Step 5: Solve for x
    x = 3,336,596,539,083.08/1,988,816.37
  6. Step 6: Final answer
    x = 1,677,679.54

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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.