Home / 3,618,893.79-5,429,391.30-1,458,804.14

Finding the Fourth Proportional to 3,618,893.79, 5,429,391.30 and 1,458,804.14

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Solution

The fourth proportional to 3,618,893.79, 5,429,391.30 and 1,458,804.14 is: 2,188,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,893.79 : 5,429,391.30 = 1,458,804.14 : x
  2. Step 2: Convert to fraction form
    3,618,893.79/5,429,391.30 = 1,458,804.14/x
  3. Step 3: Cross multiply
    3,618,893.79x = 5,429,391.30 × 1,458,804.14
  4. Step 4: Simplify right side
    3,618,893.79x = 7,920,418,506,119.98
  5. Step 5: Solve for x
    x = 7,920,418,506,119.98/3,618,893.79
  6. Step 6: Final answer
    x = 2,188,629.72

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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.