Finding the Fourth Proportional to 1,622,418.68, 2,238,689.16 and 933,957.62
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Solution
The fourth proportional to 1,622,418.68, 2,238,689.16 and 933,957.62 is: 1,288,718.40
Step by Step Solution
- Step 1: Write the proportion equation
1,622,418.68 : 2,238,689.16 = 933,957.62 : x - Step 2: Convert to fraction form
1,622,418.68/2,238,689.16 = 933,957.62/x - Step 3: Cross multiply
1,622,418.68x = 2,238,689.16 × 933,957.62 - Step 4: Simplify right side
1,622,418.68x = 2,090,840,799,793.40 - Step 5: Solve for x
x = 2,090,840,799,793.40/1,622,418.68 - Step 6: Final answer
x = 1,288,718.40
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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.