Finding the Fourth Proportional to 1,635,990.18, 2,450,330.90 and 1,185,677.29
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Solution
The fourth proportional to 1,635,990.18, 2,450,330.90 and 1,185,677.29 is: 1,775,867.45
Step by Step Solution
- Step 1: Write the proportion equation
1,635,990.18 : 2,450,330.90 = 1,185,677.29 : x - Step 2: Convert to fraction form
1,635,990.18/2,450,330.90 = 1,185,677.29/x - Step 3: Cross multiply
1,635,990.18x = 2,450,330.90 × 1,185,677.29 - Step 4: Simplify right side
1,635,990.18x = 2,905,301,702,696.08 - Step 5: Solve for x
x = 2,905,301,702,696.08/1,635,990.18 - Step 6: Final answer
x = 1,775,867.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.