Finding the Fourth Proportional to 1,407,863.76, 1,944,455.70 and 954,367.44
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Solution
The fourth proportional to 1,407,863.76, 1,944,455.70 and 954,367.44 is: 1,318,114.20
Step by Step Solution
- Step 1: Write the proportion equation
1,407,863.76 : 1,944,455.70 = 954,367.44 : x - Step 2: Convert to fraction form
1,407,863.76/1,944,455.70 = 954,367.44/x - Step 3: Cross multiply
1,407,863.76x = 1,944,455.70 × 954,367.44 - Step 4: Simplify right side
1,407,863.76x = 1,855,725,208,602.41 - Step 5: Solve for x
x = 1,855,725,208,602.41/1,407,863.76 - Step 6: Final answer
x = 1,318,114.20
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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.