Finding the Fourth Proportional to 4,965,791.66, 7,447,328.13 and 1,370,699.18
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Solution
The fourth proportional to 4,965,791.66, 7,447,328.13 and 1,370,699.18 is: 2,055,673.55
Step by Step Solution
- Step 1: Write the proportion equation
4,965,791.66 : 7,447,328.13 = 1,370,699.18 : x - Step 2: Convert to fraction form
4,965,791.66/7,447,328.13 = 1,370,699.18/x - Step 3: Cross multiply
4,965,791.66x = 7,447,328.13 × 1,370,699.18 - Step 4: Simplify right side
4,965,791.66x = 10,208,046,560,981.93 - Step 5: Solve for x
x = 10,208,046,560,981.93/4,965,791.66 - Step 6: Final answer
x = 2,055,673.55
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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.