Home / 2,819,490.08-3,890,886.60-1,530,330.40

Finding the Fourth Proportional to 2,819,490.08, 3,890,886.60 and 1,530,330.40

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Solution

The fourth proportional to 2,819,490.08, 3,890,886.60 and 1,530,330.40 is: 2,111,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,490.08 : 3,890,886.60 = 1,530,330.40 : x
  2. Step 2: Convert to fraction form
    2,819,490.08/3,890,886.60 = 1,530,330.40/x
  3. Step 3: Cross multiply
    2,819,490.08x = 3,890,886.60 × 1,530,330.40
  4. Step 4: Simplify right side
    2,819,490.08x = 5,954,342,046,932.64
  5. Step 5: Solve for x
    x = 5,954,342,046,932.64/2,819,490.08
  6. Step 6: Final answer
    x = 2,111,850.68

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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.