Finding the Fourth Proportional to 1,488,282.04, 2,053,814.90 and 809,218.68
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Solution
The fourth proportional to 1,488,282.04, 2,053,814.90 and 809,218.68 is: 1,116,713.99
Step by Step Solution
- Step 1: Write the proportion equation
1,488,282.04 : 2,053,814.90 = 809,218.68 : x - Step 2: Convert to fraction form
1,488,282.04/2,053,814.90 = 809,218.68/x - Step 3: Cross multiply
1,488,282.04x = 2,053,814.90 × 809,218.68 - Step 4: Simplify right side
1,488,282.04x = 1,661,985,382,342.33 - Step 5: Solve for x
x = 1,661,985,382,342.33/1,488,282.04 - Step 6: Final answer
x = 1,116,713.99
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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.