Finding the Fourth Proportional to 1,663,425.10, 2,295,540.37 and 918,374.95
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Solution
The fourth proportional to 1,663,425.10, 2,295,540.37 and 918,374.95 is: 1,267,365.01
Step by Step Solution
- Step 1: Write the proportion equation
1,663,425.10 : 2,295,540.37 = 918,374.95 : x - Step 2: Convert to fraction form
1,663,425.10/2,295,540.37 = 918,374.95/x - Step 3: Cross multiply
1,663,425.10x = 2,295,540.37 × 918,374.95 - Step 4: Simplify right side
1,663,425.10x = 2,108,166,772,521.73 - Step 5: Solve for x
x = 2,108,166,772,521.73/1,663,425.10 - Step 6: Final answer
x = 1,267,365.01
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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.