Home / 3,616,580.40-5,425,078.40-1,311,575.36

Finding the Fourth Proportional to 3,616,580.40, 5,425,078.40 and 1,311,575.36

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Solution

The fourth proportional to 3,616,580.40, 5,425,078.40 and 1,311,575.36 is: 1,967,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,580.40 : 5,425,078.40 = 1,311,575.36 : x
  2. Step 2: Convert to fraction form
    3,616,580.40/5,425,078.40 = 1,311,575.36/x
  3. Step 3: Cross multiply
    3,616,580.40x = 5,425,078.40 × 1,311,575.36
  4. Step 4: Simplify right side
    3,616,580.40x = 7,115,399,155,508.23
  5. Step 5: Solve for x
    x = 7,115,399,155,508.23/3,616,580.40
  6. Step 6: Final answer
    x = 1,967,438.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.