Finding the Fourth Proportional to 4,782,699.24, 7,178,673.03 and 4,523,466.06
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Solution
The fourth proportional to 4,782,699.24, 7,178,673.03 and 4,523,466.06 is: 6,789,572.63
Step by Step Solution
- Step 1: Write the proportion equation
4,782,699.24 : 7,178,673.03 = 4,523,466.06 : x - Step 2: Convert to fraction form
4,782,699.24/7,178,673.03 = 4,523,466.06/x - Step 3: Cross multiply
4,782,699.24x = 7,178,673.03 × 4,523,466.06 - Step 4: Simplify right side
4,782,699.24x = 32,472,483,824,989.05 - Step 5: Solve for x
x = 32,472,483,824,989.05/4,782,699.24 - Step 6: Final answer
x = 6,789,572.63
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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.