Finding the Fourth Proportional to 4,973,616.17, 7,460,423.81 and 1,379,383.08
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Solution
The fourth proportional to 4,973,616.17, 7,460,423.81 and 1,379,383.08 is: 2,069,074.50
Step by Step Solution
- Step 1: Write the proportion equation
4,973,616.17 : 7,460,423.81 = 1,379,383.08 : x - Step 2: Convert to fraction form
4,973,616.17/7,460,423.81 = 1,379,383.08/x - Step 3: Cross multiply
4,973,616.17x = 7,460,423.81 × 1,379,383.08 - Step 4: Simplify right side
4,973,616.17x = 10,290,782,373,143.13 - Step 5: Solve for x
x = 10,290,782,373,143.13/4,973,616.17 - Step 6: Final answer
x = 2,069,074.50
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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.