Finding the Fourth Proportional to 1,319,824.37, 1,821,357.62 and 716,212.37
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Solution
The fourth proportional to 1,319,824.37, 1,821,357.62 and 716,212.37 is: 988,373.06
Step by Step Solution
- Step 1: Write the proportion equation
1,319,824.37 : 1,821,357.62 = 716,212.37 : x - Step 2: Convert to fraction form
1,319,824.37/1,821,357.62 = 716,212.37/x - Step 3: Cross multiply
1,319,824.37x = 1,821,357.62 × 716,212.37 - Step 4: Simplify right side
1,319,824.37x = 1,304,478,844,949.91 - Step 5: Solve for x
x = 1,304,478,844,949.91/1,319,824.37 - Step 6: Final answer
x = 988,373.06
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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.