Finding the Fourth Proportional to 5,613,762.27, 8,421,682.23 and 1,776,550.49
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Solution
The fourth proportional to 5,613,762.27, 8,421,682.23 and 1,776,550.49 is: 2,665,154.49
Step by Step Solution
- Step 1: Write the proportion equation
5,613,762.27 : 8,421,682.23 = 1,776,550.49 : x - Step 2: Convert to fraction form
5,613,762.27/8,421,682.23 = 1,776,550.49/x - Step 3: Cross multiply
5,613,762.27x = 8,421,682.23 × 1,776,550.49 - Step 4: Simplify right side
5,613,762.27x = 14,961,543,692,330.79 - Step 5: Solve for x
x = 14,961,543,692,330.79/5,613,762.27 - Step 6: Final answer
x = 2,665,154.49
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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.