Finding the Fourth Proportional to 1,419,897.42, 2,130,873.81 and 555,459.84
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Solution
The fourth proportional to 1,419,897.42, 2,130,873.81 and 555,459.84 is: 833,591.79
Step by Step Solution
- Step 1: Write the proportion equation
1,419,897.42 : 2,130,873.81 = 555,459.84 : x - Step 2: Convert to fraction form
1,419,897.42/2,130,873.81 = 555,459.84/x - Step 3: Cross multiply
1,419,897.42x = 2,130,873.81 × 555,459.84 - Step 4: Simplify right side
1,419,897.42x = 1,183,614,825,562.79 - Step 5: Solve for x
x = 1,183,614,825,562.79/1,419,897.42 - Step 6: Final answer
x = 833,591.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.