Home / 3,458,419.80-4,772,421.36-1,930,623.72

Finding the Fourth Proportional to 3,458,419.80, 4,772,421.36 and 1,930,623.72

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Solution

The fourth proportional to 3,458,419.80, 4,772,421.36 and 1,930,623.72 is: 2,664,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,419.80 : 4,772,421.36 = 1,930,623.72 : x
  2. Step 2: Convert to fraction form
    3,458,419.80/4,772,421.36 = 1,930,623.72/x
  3. Step 3: Cross multiply
    3,458,419.80x = 4,772,421.36 × 1,930,623.72
  4. Step 4: Simplify right side
    3,458,419.80x = 9,213,749,879,450.66
  5. Step 5: Solve for x
    x = 9,213,749,879,450.66/3,458,419.80
  6. Step 6: Final answer
    x = 2,664,150.22

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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.