Finding the Fourth Proportional to 1,326,350.89, 1,989,523.84 and 415,603.08
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Solution
The fourth proportional to 1,326,350.89, 1,989,523.84 and 415,603.08 is: 623,403.84
Step by Step Solution
- Step 1: Write the proportion equation
1,326,350.89 : 1,989,523.84 = 415,603.08 : x - Step 2: Convert to fraction form
1,326,350.89/1,989,523.84 = 415,603.08/x - Step 3: Cross multiply
1,326,350.89x = 1,989,523.84 × 415,603.08 - Step 4: Simplify right side
1,326,350.89x = 826,852,235,637.43 - Step 5: Solve for x
x = 826,852,235,637.43/1,326,350.89 - Step 6: Final answer
x = 623,403.84
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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.