Finding the Fourth Proportional to 1,579,282.09, 2,179,409.29 and 854,129.81
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Solution
The fourth proportional to 1,579,282.09, 2,179,409.29 and 854,129.81 is: 1,178,699.14
Step by Step Solution
- Step 1: Write the proportion equation
1,579,282.09 : 2,179,409.29 = 854,129.81 : x - Step 2: Convert to fraction form
1,579,282.09/2,179,409.29 = 854,129.81/x - Step 3: Cross multiply
1,579,282.09x = 2,179,409.29 × 854,129.81 - Step 4: Simplify right side
1,579,282.09x = 1,861,498,438,509.29 - Step 5: Solve for x
x = 1,861,498,438,509.29/1,579,282.09 - Step 6: Final answer
x = 1,178,699.14
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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.