Finding the Fourth Proportional to 5,540,693.49, 7,646,862.34 and 3,217,123.44
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Solution
The fourth proportional to 5,540,693.49, 7,646,862.34 and 3,217,123.44 is: 4,440,039.88
Step by Step Solution
- Step 1: Write the proportion equation
5,540,693.49 : 7,646,862.34 = 3,217,123.44 : x - Step 2: Convert to fraction form
5,540,693.49/7,646,862.34 = 3,217,123.44/x - Step 3: Cross multiply
5,540,693.49x = 7,646,862.34 × 3,217,123.44 - Step 4: Simplify right side
5,540,693.49x = 24,600,900,038,232.94 - Step 5: Solve for x
x = 24,600,900,038,232.94/5,540,693.49 - Step 6: Final answer
x = 4,440,039.88
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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.