Home / 2,030,636.16-2,802,181.44-1,215,288

Finding the Fourth Proportional to 2,030,636.16, 2,802,181.44 and 1,215,288

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Solution

The fourth proportional to 2,030,636.16, 2,802,181.44 and 1,215,288 is: 1,677,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030,636.16 : 2,802,181.44 = 1,215,288 : x
  2. Step 2: Convert to fraction form
    2,030,636.16/2,802,181.44 = 1,215,288/x
  3. Step 3: Cross multiply
    2,030,636.16x = 2,802,181.44 × 1,215,288
  4. Step 4: Simplify right side
    2,030,636.16x = 3,405,457,477,854.72
  5. Step 5: Solve for x
    x = 3,405,457,477,854.72/2,030,636.16
  6. Step 6: Final answer
    x = 1,677,039.71

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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.