Finding the Fourth Proportional to 2,379,210.04, 3,283,220.82 and 1,291,458.20
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Solution
The fourth proportional to 2,379,210.04, 3,283,220.82 and 1,291,458.20 is: 1,782,163.99
Step by Step Solution
- Step 1: Write the proportion equation
2,379,210.04 : 3,283,220.82 = 1,291,458.20 : x - Step 2: Convert to fraction form
2,379,210.04/3,283,220.82 = 1,291,458.20/x - Step 3: Cross multiply
2,379,210.04x = 3,283,220.82 × 1,291,458.20 - Step 4: Simplify right side
2,379,210.04x = 4,240,142,450,399.72 - Step 5: Solve for x
x = 4,240,142,450,399.72/2,379,210.04 - Step 6: Final answer
x = 1,782,163.99
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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.