Finding the Fourth Proportional to 1,680,893.92, 2,319,743.28 and 955,809.12
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Solution
The fourth proportional to 1,680,893.92, 2,319,743.28 and 955,809.12 is: 1,319,078.95
Step by Step Solution
- Step 1: Write the proportion equation
1,680,893.92 : 2,319,743.28 = 955,809.12 : x - Step 2: Convert to fraction form
1,680,893.92/2,319,743.28 = 955,809.12/x - Step 3: Cross multiply
1,680,893.92x = 2,319,743.28 × 955,809.12 - Step 4: Simplify right side
1,680,893.92x = 2,217,231,783,082.71 - Step 5: Solve for x
x = 2,217,231,783,082.71/1,680,893.92 - Step 6: Final answer
x = 1,319,078.95
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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.