Finding the Fourth Proportional to 4,961,876.86, 6,848,130.59 and 3,029,257.77
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Solution
The fourth proportional to 4,961,876.86, 6,848,130.59 and 3,029,257.77 is: 4,180,827.82
Step by Step Solution
- Step 1: Write the proportion equation
4,961,876.86 : 6,848,130.59 = 3,029,257.77 : x - Step 2: Convert to fraction form
4,961,876.86/6,848,130.59 = 3,029,257.77/x - Step 3: Cross multiply
4,961,876.86x = 6,848,130.59 × 3,029,257.77 - Step 4: Simplify right side
4,961,876.86x = 20,744,752,799,732.18 - Step 5: Solve for x
x = 20,744,752,799,732.18/4,961,876.86 - Step 6: Final answer
x = 4,180,827.82
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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.