Finding the Fourth Proportional to 3,992,559.22, 5,989,335.90 and 1,563,398.92
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Solution
The fourth proportional to 3,992,559.22, 5,989,335.90 and 1,563,398.92 is: 2,345,293.02
Step by Step Solution
- Step 1: Write the proportion equation
3,992,559.22 : 5,989,335.90 = 1,563,398.92 : x - Step 2: Convert to fraction form
3,992,559.22/5,989,335.90 = 1,563,398.92/x - Step 3: Cross multiply
3,992,559.22x = 5,989,335.90 × 1,563,398.92 - Step 4: Simplify right side
3,992,559.22x = 9,363,721,277,577.23 - Step 5: Solve for x
x = 9,363,721,277,577.23/3,992,559.22 - Step 6: Final answer
x = 2,345,293.02
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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.