Finding the Fourth Proportional to 3,169,636.18, 4,369,244.65 and 1,943,668.42
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Solution
The fourth proportional to 3,169,636.18, 4,369,244.65 and 1,943,668.42 is: 2,679,286.32
Step by Step Solution
- Step 1: Write the proportion equation
3,169,636.18 : 4,369,244.65 = 1,943,668.42 : x - Step 2: Convert to fraction form
3,169,636.18/4,369,244.65 = 1,943,668.42/x - Step 3: Cross multiply
3,169,636.18x = 4,369,244.65 × 1,943,668.42 - Step 4: Simplify right side
3,169,636.18x = 8,492,362,845,458.95 - Step 5: Solve for x
x = 8,492,362,845,458.95/3,169,636.18 - Step 6: Final answer
x = 2,679,286.32
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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.