Home / 2,892,421.56-3,991,733.88-1,603,316.28

Finding the Fourth Proportional to 2,892,421.56, 3,991,733.88 and 1,603,316.28

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Solution

The fourth proportional to 2,892,421.56, 3,991,733.88 and 1,603,316.28 is: 2,212,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,421.56 : 3,991,733.88 = 1,603,316.28 : x
  2. Step 2: Convert to fraction form
    2,892,421.56/3,991,733.88 = 1,603,316.28/x
  3. Step 3: Cross multiply
    2,892,421.56x = 3,991,733.88 × 1,603,316.28
  4. Step 4: Simplify right side
    2,892,421.56x = 6,400,011,915,231.57
  5. Step 5: Solve for x
    x = 6,400,011,915,231.57/2,892,421.56
  6. Step 6: Final answer
    x = 2,212,682.97

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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.