Home / 5,431,575.69-7,492,456.53-3,390,842.25

Finding the Fourth Proportional to 5,431,575.69, 7,492,456.53 and 3,390,842.25

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Solution

The fourth proportional to 5,431,575.69, 7,492,456.53 and 3,390,842.25 is: 4,677,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,575.69 : 7,492,456.53 = 3,390,842.25 : x
  2. Step 2: Convert to fraction form
    5,431,575.69/7,492,456.53 = 3,390,842.25/x
  3. Step 3: Cross multiply
    5,431,575.69x = 7,492,456.53 × 3,390,842.25
  4. Step 4: Simplify right side
    5,431,575.69x = 25,405,738,158,212.39
  5. Step 5: Solve for x
    x = 25,405,738,158,212.39/5,431,575.69
  6. Step 6: Final answer
    x = 4,677,415.84

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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.