Finding the Fourth Proportional to 1,589,386.84, 2,193,338.68 and 864,235.04
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Solution
The fourth proportional to 1,589,386.84, 2,193,338.68 and 864,235.04 is: 1,192,636.11
Step by Step Solution
- Step 1: Write the proportion equation
1,589,386.84 : 2,193,338.68 = 864,235.04 : x - Step 2: Convert to fraction form
1,589,386.84/2,193,338.68 = 864,235.04/x - Step 3: Cross multiply
1,589,386.84x = 2,193,338.68 × 864,235.04 - Step 4: Simplify right side
1,589,386.84x = 1,895,560,141,843.35 - Step 5: Solve for x
x = 1,895,560,141,843.35/1,589,386.84 - Step 6: Final answer
x = 1,192,636.11
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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.