Finding the Fourth Proportional to 5,913,769.90, 8,160,954.92 and 3,433,220.74
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Solution
The fourth proportional to 5,913,769.90, 8,160,954.92 and 3,433,220.74 is: 4,737,817.02
Step by Step Solution
- Step 1: Write the proportion equation
5,913,769.90 : 8,160,954.92 = 3,433,220.74 : x - Step 2: Convert to fraction form
5,913,769.90/8,160,954.92 = 3,433,220.74/x - Step 3: Cross multiply
5,913,769.90x = 8,160,954.92 × 3,433,220.74 - Step 4: Simplify right side
5,913,769.90x = 28,018,359,689,549.04 - Step 5: Solve for x
x = 28,018,359,689,549.04/5,913,769.90 - Step 6: Final answer
x = 4,737,817.02
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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.