Finding the Fourth Proportional to 1,644,146.68, 2,268,970.22 and 899,116.32
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Solution
The fourth proportional to 1,644,146.68, 2,268,970.22 and 899,116.32 is: 1,240,806.66
Step by Step Solution
- Step 1: Write the proportion equation
1,644,146.68 : 2,268,970.22 = 899,116.32 : x - Step 2: Convert to fraction form
1,644,146.68/2,268,970.22 = 899,116.32/x - Step 3: Cross multiply
1,644,146.68x = 2,268,970.22 × 899,116.32 - Step 4: Simplify right side
1,644,146.68x = 2,040,068,154,395.99 - Step 5: Solve for x
x = 2,040,068,154,395.99/1,644,146.68 - Step 6: Final answer
x = 1,240,806.66
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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.