Finding the Fourth Proportional to 3,403,126.85, 4,696,542.61 and 1,875,233.97
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Solution
The fourth proportional to 3,403,126.85, 4,696,542.61 and 1,875,233.97 is: 2,587,948.27
Step by Step Solution
- Step 1: Write the proportion equation
3,403,126.85 : 4,696,542.61 = 1,875,233.97 : x - Step 2: Convert to fraction form
3,403,126.85/4,696,542.61 = 1,875,233.97/x - Step 3: Cross multiply
3,403,126.85x = 4,696,542.61 × 1,875,233.97 - Step 4: Simplify right side
3,403,126.85x = 8,807,116,239,136.38 - Step 5: Solve for x
x = 8,807,116,239,136.38/3,403,126.85 - Step 6: Final answer
x = 2,587,948.27
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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.