Finding the Fourth Proportional to 4,338,960.19, 5,987,813.69 and 2,478,621.98
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Solution
The fourth proportional to 4,338,960.19, 5,987,813.69 and 2,478,621.98 is: 3,420,526.11
Step by Step Solution
- Step 1: Write the proportion equation
4,338,960.19 : 5,987,813.69 = 2,478,621.98 : x - Step 2: Convert to fraction form
4,338,960.19/5,987,813.69 = 2,478,621.98/x - Step 3: Cross multiply
4,338,960.19x = 5,987,813.69 × 2,478,621.98 - Step 4: Simplify right side
4,338,960.19x = 14,841,526,624,178.91 - Step 5: Solve for x
x = 14,841,526,624,178.91/4,338,960.19 - Step 6: Final answer
x = 3,420,526.11
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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.