Finding the Fourth Proportional to 6,743,434.68, 9,306,851.40 and 3,803,855.18
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Solution
The fourth proportional to 6,743,434.68, 9,306,851.40 and 3,803,855.18 is: 5,249,834.33
Step by Step Solution
- Step 1: Write the proportion equation
6,743,434.68 : 9,306,851.40 = 3,803,855.18 : x - Step 2: Convert to fraction form
6,743,434.68/9,306,851.40 = 3,803,855.18/x - Step 3: Cross multiply
6,743,434.68x = 9,306,851.40 × 3,803,855.18 - Step 4: Simplify right side
6,743,434.68x = 35,401,914,860,845.99 - Step 5: Solve for x
x = 35,401,914,860,845.99/6,743,434.68 - Step 6: Final answer
x = 5,249,834.33
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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.