Finding the Fourth Proportional to 1,385,130.49, 2,077,814.18 and 486,493.99
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Solution
The fourth proportional to 1,385,130.49, 2,077,814.18 and 486,493.99 is: 729,782.59
Step by Step Solution
- Step 1: Write the proportion equation
1,385,130.49 : 2,077,814.18 = 486,493.99 : x - Step 2: Convert to fraction form
1,385,130.49/2,077,814.18 = 486,493.99/x - Step 3: Cross multiply
1,385,130.49x = 2,077,814.18 × 486,493.99 - Step 4: Simplify right side
1,385,130.49x = 1,010,844,110,906.78 - Step 5: Solve for x
x = 1,010,844,110,906.78/1,385,130.49 - Step 6: Final answer
x = 729,782.59
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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.