Finding the Fourth Proportional to 3,238,483.77, 4,469,078.75 and 1,788,147.99
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Solution
The fourth proportional to 3,238,483.77, 4,469,078.75 and 1,788,147.99 is: 2,467,628.29
Step by Step Solution
- Step 1: Write the proportion equation
3,238,483.77 : 4,469,078.75 = 1,788,147.99 : x - Step 2: Convert to fraction form
3,238,483.77/4,469,078.75 = 1,788,147.99/x - Step 3: Cross multiply
3,238,483.77x = 4,469,078.75 × 1,788,147.99 - Step 4: Simplify right side
3,238,483.77x = 7,991,374,175,023.47 - Step 5: Solve for x
x = 7,991,374,175,023.47/3,238,483.77 - Step 6: Final answer
x = 2,467,628.29
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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.