Finding the Fourth Proportional to 4,449,420.99, 6,666,503.55 and 2,987,727.60
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Solution
The fourth proportional to 4,449,420.99, 6,666,503.55 and 2,987,727.60 is: 4,476,469.34
Step by Step Solution
- Step 1: Write the proportion equation
4,449,420.99 : 6,666,503.55 = 2,987,727.60 : x - Step 2: Convert to fraction form
4,449,420.99/6,666,503.55 = 2,987,727.60/x - Step 3: Cross multiply
4,449,420.99x = 6,666,503.55 × 2,987,727.60 - Step 4: Simplify right side
4,449,420.99x = 19,917,696,651,832.98 - Step 5: Solve for x
x = 19,917,696,651,832.98/4,449,420.99 - Step 6: Final answer
x = 4,476,469.34
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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.