Finding the Fourth Proportional to 1,591,434.09, 2,196,207.05 and 866,302.65
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Solution
The fourth proportional to 1,591,434.09, 2,196,207.05 and 866,302.65 is: 1,195,512.90
Step by Step Solution
- Step 1: Write the proportion equation
1,591,434.09 : 2,196,207.05 = 866,302.65 : x - Step 2: Convert to fraction form
1,591,434.09/2,196,207.05 = 866,302.65/x - Step 3: Cross multiply
1,591,434.09x = 2,196,207.05 × 866,302.65 - Step 4: Simplify right side
1,591,434.09x = 1,902,579,983,032.17 - Step 5: Solve for x
x = 1,902,579,983,032.17/1,591,434.09 - Step 6: Final answer
x = 1,195,512.90
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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.