Finding the Fourth Proportional to 1,407,881.76, 1,944,480.24 and 954,385.44
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Solution
The fourth proportional to 1,407,881.76, 1,944,480.24 and 954,385.44 is: 1,318,138.84
Step by Step Solution
- Step 1: Write the proportion equation
1,407,881.76 : 1,944,480.24 = 954,385.44 : x - Step 2: Convert to fraction form
1,407,881.76/1,944,480.24 = 954,385.44/x - Step 3: Cross multiply
1,407,881.76x = 1,944,480.24 × 954,385.44 - Step 4: Simplify right side
1,407,881.76x = 1,855,783,629,423.71 - Step 5: Solve for x
x = 1,855,783,629,423.71/1,407,881.76 - Step 6: Final answer
x = 1,318,138.84
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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.