Finding the Fourth Proportional to 1,510,355.99, 2,265,608.66 and 431,027.63
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Solution
The fourth proportional to 1,510,355.99, 2,265,608.66 and 431,027.63 is: 646,562.75
Step by Step Solution
- Step 1: Write the proportion equation
1,510,355.99 : 2,265,608.66 = 431,027.63 : x - Step 2: Convert to fraction form
1,510,355.99/2,265,608.66 = 431,027.63/x - Step 3: Cross multiply
1,510,355.99x = 2,265,608.66 × 431,027.63 - Step 4: Simplify right side
1,510,355.99x = 976,539,917,744.09 - Step 5: Solve for x
x = 976,539,917,744.09/1,510,355.99 - Step 6: Final answer
x = 646,562.75
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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.