Finding the Fourth Proportional to 6,634,453.81, 9,155,840.84 and 3,734,032.54
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Solution
The fourth proportional to 6,634,453.81, 9,155,840.84 and 3,734,032.54 is: 5,153,130.70
Step by Step Solution
- Step 1: Write the proportion equation
6,634,453.81 : 9,155,840.84 = 3,734,032.54 : x - Step 2: Convert to fraction form
6,634,453.81/9,155,840.84 = 3,734,032.54/x - Step 3: Cross multiply
6,634,453.81x = 9,155,840.84 × 3,734,032.54 - Step 4: Simplify right side
6,634,453.81x = 34,188,207,581,841.73 - Step 5: Solve for x
x = 34,188,207,581,841.73/6,634,453.81 - Step 6: Final answer
x = 5,153,130.70
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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.