Home / 3,436,198.96-5,155,419.61-1,638,848.90

Finding the Fourth Proportional to 3,436,198.96, 5,155,419.61 and 1,638,848.90

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Solution

The fourth proportional to 3,436,198.96, 5,155,419.61 and 1,638,848.90 is: 2,458,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,198.96 : 5,155,419.61 = 1,638,848.90 : x
  2. Step 2: Convert to fraction form
    3,436,198.96/5,155,419.61 = 1,638,848.90/x
  3. Step 3: Cross multiply
    3,436,198.96x = 5,155,419.61 × 1,638,848.90
  4. Step 4: Simplify right side
    3,436,198.96x = 8,448,953,762,605.52
  5. Step 5: Solve for x
    x = 8,448,953,762,605.52/3,436,198.96
  6. Step 6: Final answer
    x = 2,458,808.08

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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.