Finding the Fourth Proportional to 1,622,127.49, 2,431,062.63 and 1,193,657.02
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Solution
The fourth proportional to 1,622,127.49, 2,431,062.63 and 1,193,657.02 is: 1,788,919.18
Step by Step Solution
- Step 1: Write the proportion equation
1,622,127.49 : 2,431,062.63 = 1,193,657.02 : x - Step 2: Convert to fraction form
1,622,127.49/2,431,062.63 = 1,193,657.02/x - Step 3: Cross multiply
1,622,127.49x = 2,431,062.63 × 1,193,657.02 - Step 4: Simplify right side
1,622,127.49x = 2,901,854,968,281.51 - Step 5: Solve for x
x = 2,901,854,968,281.51/1,622,127.49 - Step 6: Final answer
x = 1,788,919.18
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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.