Finding the Fourth Proportional to 1,791,719.87, 2,472,486.07 and 1,017,249.18
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Solution
The fourth proportional to 1,791,719.87, 2,472,486.07 and 1,017,249.18 is: 1,403,754.27
Step by Step Solution
- Step 1: Write the proportion equation
1,791,719.87 : 2,472,486.07 = 1,017,249.18 : x - Step 2: Convert to fraction form
1,791,719.87/2,472,486.07 = 1,017,249.18/x - Step 3: Cross multiply
1,791,719.87x = 2,472,486.07 × 1,017,249.18 - Step 4: Simplify right side
1,791,719.87x = 2,515,134,431,269.05 - Step 5: Solve for x
x = 2,515,134,431,269.05/1,791,719.87 - Step 6: Final answer
x = 1,403,754.27
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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.