Finding the Fourth Proportional to 5,104,722.09, 7,044,082.86 and 2,929,218.46
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Solution
The fourth proportional to 5,104,722.09, 7,044,082.86 and 2,929,218.46 is: 4,042,072.65
Step by Step Solution
- Step 1: Write the proportion equation
5,104,722.09 : 7,044,082.86 = 2,929,218.46 : x - Step 2: Convert to fraction form
5,104,722.09/7,044,082.86 = 2,929,218.46/x - Step 3: Cross multiply
5,104,722.09x = 7,044,082.86 × 2,929,218.46 - Step 4: Simplify right side
5,104,722.09x = 20,633,657,547,281.60 - Step 5: Solve for x
x = 20,633,657,547,281.60/5,104,722.09 - Step 6: Final answer
x = 4,042,072.65
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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.