Home / 2,819,478.45-3,890,775.96-1,530,291.18

Finding the Fourth Proportional to 2,819,478.45, 3,890,775.96 and 1,530,291.18

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Solution

The fourth proportional to 2,819,478.45, 3,890,775.96 and 1,530,291.18 is: 2,111,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,478.45 : 3,890,775.96 = 1,530,291.18 : x
  2. Step 2: Convert to fraction form
    2,819,478.45/3,890,775.96 = 1,530,291.18/x
  3. Step 3: Cross multiply
    2,819,478.45x = 3,890,775.96 × 1,530,291.18
  4. Step 4: Simplify right side
    2,819,478.45x = 5,954,020,134,944.03
  5. Step 5: Solve for x
    x = 5,954,020,134,944.03/2,819,478.45
  6. Step 6: Final answer
    x = 2,111,745.22

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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.