Finding the Fourth Proportional to 1,382,409.16, 1,907,327.14 and 899,684.84
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Solution
The fourth proportional to 1,382,409.16, 1,907,327.14 and 899,684.84 is: 1,241,306.38
Step by Step Solution
- Step 1: Write the proportion equation
1,382,409.16 : 1,907,327.14 = 899,684.84 : x - Step 2: Convert to fraction form
1,382,409.16/1,907,327.14 = 899,684.84/x - Step 3: Cross multiply
1,382,409.16x = 1,907,327.14 × 899,684.84 - Step 4: Simplify right side
1,382,409.16x = 1,715,993,312,778.56 - Step 5: Solve for x
x = 1,715,993,312,778.56/1,382,409.16 - Step 6: Final answer
x = 1,241,306.38
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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.