Finding the Fourth Proportional to 5,629,610.84, 7,768,778.51 and 3,182,135.83
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Solution
The fourth proportional to 5,629,610.84, 7,768,778.51 and 3,182,135.83 is: 4,391,299.71
Step by Step Solution
- Step 1: Write the proportion equation
5,629,610.84 : 7,768,778.51 = 3,182,135.83 : x - Step 2: Convert to fraction form
5,629,610.84/7,768,778.51 = 3,182,135.83/x - Step 3: Cross multiply
5,629,610.84x = 7,768,778.51 × 3,182,135.83 - Step 4: Simplify right side
5,629,610.84x = 24,721,308,440,538.41 - Step 5: Solve for x
x = 24,721,308,440,538.41/5,629,610.84 - Step 6: Final answer
x = 4,391,299.71
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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.