Finding the Fourth Proportional to 1,480,890.68, 2,221,419.09 and 415,849.69
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Solution
The fourth proportional to 1,480,890.68, 2,221,419.09 and 415,849.69 is: 623,797.86
Step by Step Solution
- Step 1: Write the proportion equation
1,480,890.68 : 2,221,419.09 = 415,849.69 : x - Step 2: Convert to fraction form
1,480,890.68/2,221,419.09 = 415,849.69/x - Step 3: Cross multiply
1,480,890.68x = 2,221,419.09 × 415,849.69 - Step 4: Simplify right side
1,480,890.68x = 923,776,439,936.58 - Step 5: Solve for x
x = 923,776,439,936.58/1,480,890.68 - Step 6: Final answer
x = 623,797.86
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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.