Finding the Fourth Proportional to 5,537,894.68, 7,642,678.28 and 3,090,983.10
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Solution
The fourth proportional to 5,537,894.68, 7,642,678.28 and 3,090,983.10 is: 4,265,770.80
Step by Step Solution
- Step 1: Write the proportion equation
5,537,894.68 : 7,642,678.28 = 3,090,983.10 : x - Step 2: Convert to fraction form
5,537,894.68/7,642,678.28 = 3,090,983.10/x - Step 3: Cross multiply
5,537,894.68x = 7,642,678.28 × 3,090,983.10 - Step 4: Simplify right side
5,537,894.68x = 23,623,389,402,217.07 - Step 5: Solve for x
x = 23,623,389,402,217.07/5,537,894.68 - Step 6: Final answer
x = 4,265,770.80
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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.