Finding the Fourth Proportional to 1,361,350.70, 1,874,612.11 and 1,331,141.85
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Solution
The fourth proportional to 1,361,350.70, 1,874,612.11 and 1,331,141.85 is: 1,833,013.81
Step by Step Solution
- Step 1: Write the proportion equation
1,361,350.70 : 1,874,612.11 = 1,331,141.85 : x - Step 2: Convert to fraction form
1,361,350.70/1,874,612.11 = 1,331,141.85/x - Step 3: Cross multiply
1,361,350.70x = 1,874,612.11 × 1,331,141.85 - Step 4: Simplify right side
1,361,350.70x = 2,495,374,631,305.84 - Step 5: Solve for x
x = 2,495,374,631,305.84/1,361,350.70 - Step 6: Final answer
x = 1,833,013.81
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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.