Finding the Fourth Proportional to 2,379,190, 3,283,193.21 and 1,291,438.17
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Solution
The fourth proportional to 2,379,190, 3,283,193.21 and 1,291,438.17 is: 1,782,136.37
Step by Step Solution
- Step 1: Write the proportion equation
2,379,190 : 3,283,193.21 = 1,291,438.17 : x - Step 2: Convert to fraction form
2,379,190/3,283,193.21 = 1,291,438.17/x - Step 3: Cross multiply
2,379,190x = 3,283,193.21 × 1,291,438.17 - Step 4: Simplify right side
2,379,190x = 4,240,041,030,878.83 - Step 5: Solve for x
x = 4,240,041,030,878.83/2,379,190 - Step 6: Final answer
x = 1,782,136.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.