Finding the Fourth Proportional to 1,319,816.07, 1,821,346.16 and 716,204.07
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Solution
The fourth proportional to 1,319,816.07, 1,821,346.16 and 716,204.07 is: 988,361.60
Step by Step Solution
- Step 1: Write the proportion equation
1,319,816.07 : 1,821,346.16 = 716,204.07 : x - Step 2: Convert to fraction form
1,319,816.07/1,821,346.16 = 716,204.07/x - Step 3: Cross multiply
1,319,816.07x = 1,821,346.16 × 716,204.07 - Step 4: Simplify right side
1,319,816.07x = 1,304,455,529,089.85 - Step 5: Solve for x
x = 1,304,455,529,089.85/1,319,816.07 - Step 6: Final answer
x = 988,361.60
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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.