Finding the Fourth Proportional to 1,589,515.49, 2,193,541.68 and 864,371.09
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Solution
The fourth proportional to 1,589,515.49, 2,193,541.68 and 864,371.09 is: 1,192,837.70
Step by Step Solution
- Step 1: Write the proportion equation
1,589,515.49 : 2,193,541.68 = 864,371.09 : x - Step 2: Convert to fraction form
1,589,515.49/2,193,541.68 = 864,371.09/x - Step 3: Cross multiply
1,589,515.49x = 2,193,541.68 × 864,371.09 - Step 4: Simplify right side
1,589,515.49x = 1,896,034,001,934.32 - Step 5: Solve for x
x = 1,896,034,001,934.32/1,589,515.49 - Step 6: Final answer
x = 1,192,837.70
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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.