Finding the Fourth Proportional to 1,781,405.19, 2,458,370.67 and 965,635.98
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Solution
The fourth proportional to 1,781,405.19, 2,458,370.67 and 965,635.98 is: 1,332,594.73
Step by Step Solution
- Step 1: Write the proportion equation
1,781,405.19 : 2,458,370.67 = 965,635.98 : x - Step 2: Convert to fraction form
1,781,405.19/2,458,370.67 = 965,635.98/x - Step 3: Cross multiply
1,781,405.19x = 2,458,370.67 × 965,635.98 - Step 4: Simplify right side
1,781,405.19x = 2,373,891,171,128.71 - Step 5: Solve for x
x = 2,373,891,171,128.71/1,781,405.19 - Step 6: Final answer
x = 1,332,594.73
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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.