Finding the Fourth Proportional to 5,169,804.96, 7,755,826.05 and 1,575,476.94
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Solution
The fourth proportional to 5,169,804.96, 7,755,826.05 and 1,575,476.94 is: 2,363,556.30
Step by Step Solution
- Step 1: Write the proportion equation
5,169,804.96 : 7,755,826.05 = 1,575,476.94 : x - Step 2: Convert to fraction form
5,169,804.96/7,755,826.05 = 1,575,476.94/x - Step 3: Cross multiply
5,169,804.96x = 7,755,826.05 × 1,575,476.94 - Step 4: Simplify right side
5,169,804.96x = 12,219,125,092,426.29 - Step 5: Solve for x
x = 12,219,125,092,426.29/5,169,804.96 - Step 6: Final answer
x = 2,363,556.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.