Finding the Fourth Proportional to 1,319,833.08, 1,821,369.62 and 716,221.08
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Solution
The fourth proportional to 1,319,833.08, 1,821,369.62 and 716,221.08 is: 988,385.08
Step by Step Solution
- Step 1: Write the proportion equation
1,319,833.08 : 1,821,369.62 = 716,221.08 : x - Step 2: Convert to fraction form
1,319,833.08/1,821,369.62 = 716,221.08/x - Step 3: Cross multiply
1,319,833.08x = 1,821,369.62 × 716,221.08 - Step 4: Simplify right side
1,319,833.08x = 1,304,503,318,106.14 - Step 5: Solve for x
x = 1,304,503,318,106.14/1,319,833.08 - Step 6: Final answer
x = 988,385.08
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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.