Finding the Fourth Proportional to 4,449,418.99, 6,666,500.55 and 2,987,725.59
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Solution
The fourth proportional to 4,449,418.99, 6,666,500.55 and 2,987,725.59 is: 4,476,466.32
Step by Step Solution
- Step 1: Write the proportion equation
4,449,418.99 : 6,666,500.55 = 2,987,725.59 : x - Step 2: Convert to fraction form
4,449,418.99/6,666,500.55 = 2,987,725.59/x - Step 3: Cross multiply
4,449,418.99x = 6,666,500.55 × 2,987,725.59 - Step 4: Simplify right side
4,449,418.99x = 19,917,674,255,651.57 - Step 5: Solve for x
x = 19,917,674,255,651.57/4,449,418.99 - Step 6: Final answer
x = 4,476,466.32
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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.