Finding the Fourth Proportional to 2,267,341.97, 3,128,388.48 and 1,287,062.96
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Solution
The fourth proportional to 2,267,341.97, 3,128,388.48 and 1,287,062.96 is: 1,775,838.40
Step by Step Solution
- Step 1: Write the proportion equation
2,267,341.97 : 3,128,388.48 = 1,287,062.96 : x - Step 2: Convert to fraction form
2,267,341.97/3,128,388.48 = 1,287,062.96/x - Step 3: Cross multiply
2,267,341.97x = 3,128,388.48 × 1,287,062.96 - Step 4: Simplify right side
2,267,341.97x = 4,026,432,921,456.76 - Step 5: Solve for x
x = 4,026,432,921,456.76/2,267,341.97 - Step 6: Final answer
x = 1,775,838.40
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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.