Finding the Fourth Proportional to 1,543,021.99, 2,129,276.41 and 854,653.04
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Solution
The fourth proportional to 1,543,021.99, 2,129,276.41 and 854,653.04 is: 1,179,369.16
Step by Step Solution
- Step 1: Write the proportion equation
1,543,021.99 : 2,129,276.41 = 854,653.04 : x - Step 2: Convert to fraction form
1,543,021.99/2,129,276.41 = 854,653.04/x - Step 3: Cross multiply
1,543,021.99x = 2,129,276.41 × 854,653.04 - Step 4: Simplify right side
1,543,021.99x = 1,819,792,544,023.77 - Step 5: Solve for x
x = 1,819,792,544,023.77/1,543,021.99 - Step 6: Final answer
x = 1,179,369.16
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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.