Finding the Fourth Proportional to 1,696,172.05, 2,340,690.26 and 932,209.21
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Solution
The fourth proportional to 1,696,172.05, 2,340,690.26 and 932,209.21 is: 1,286,433.78
Step by Step Solution
- Step 1: Write the proportion equation
1,696,172.05 : 2,340,690.26 = 932,209.21 : x - Step 2: Convert to fraction form
1,696,172.05/2,340,690.26 = 932,209.21/x - Step 3: Cross multiply
1,696,172.05x = 2,340,690.26 × 932,209.21 - Step 4: Simplify right side
1,696,172.05x = 2,182,013,018,129.29 - Step 5: Solve for x
x = 2,182,013,018,129.29/1,696,172.05 - Step 6: Final answer
x = 1,286,433.78
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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.