Finding the Fourth Proportional to 1,361,319.67, 1,874,569.53 and 1,331,110.99
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Solution
The fourth proportional to 1,361,319.67, 1,874,569.53 and 1,331,110.99 is: 1,832,971.46
Step by Step Solution
- Step 1: Write the proportion equation
1,361,319.67 : 1,874,569.53 = 1,331,110.99 : x - Step 2: Convert to fraction form
1,361,319.67/1,874,569.53 = 1,331,110.99/x - Step 3: Cross multiply
1,361,319.67x = 1,874,569.53 × 1,331,110.99 - Step 4: Simplify right side
1,361,319.67x = 2,495,260,102,902.13 - Step 5: Solve for x
x = 2,495,260,102,902.13/1,361,319.67 - Step 6: Final answer
x = 1,832,971.46
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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.