Home / 2,819,316.21-3,890,660.22-1,530,156.62

Finding the Fourth Proportional to 2,819,316.21, 3,890,660.22 and 1,530,156.62

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Solution

The fourth proportional to 2,819,316.21, 3,890,660.22 and 1,530,156.62 is: 2,111,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,316.21 : 3,890,660.22 = 1,530,156.62 : x
  2. Step 2: Convert to fraction form
    2,819,316.21/3,890,660.22 = 1,530,156.62/x
  3. Step 3: Cross multiply
    2,819,316.21x = 3,890,660.22 × 1,530,156.62
  4. Step 4: Simplify right side
    2,819,316.21x = 5,953,319,464,699.57
  5. Step 5: Solve for x
    x = 5,953,319,464,699.57/2,819,316.21
  6. Step 6: Final answer
    x = 2,111,618.22

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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.