Finding the Fourth Proportional to 3,114,613.80, 4,673,232.90 and 1,695,688.20
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Solution
The fourth proportional to 3,114,613.80, 4,673,232.90 and 1,695,688.20 is: 2,544,246.70
Step by Step Solution
- Step 1: Write the proportion equation
3,114,613.80 : 4,673,232.90 = 1,695,688.20 : x - Step 2: Convert to fraction form
3,114,613.80/4,673,232.90 = 1,695,688.20/x - Step 3: Cross multiply
3,114,613.80x = 4,673,232.90 × 1,695,688.20 - Step 4: Simplify right side
3,114,613.80x = 7,924,345,884,381.78 - Step 5: Solve for x
x = 7,924,345,884,381.78/3,114,613.80 - Step 6: Final answer
x = 2,544,246.70
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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.