Finding the Fourth Proportional to 2,379,270.87, 3,283,397.96 and 1,291,543.18
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Solution
The fourth proportional to 2,379,270.87, 3,283,397.96 and 1,291,543.18 is: 1,782,331.85
Step by Step Solution
- Step 1: Write the proportion equation
2,379,270.87 : 3,283,397.96 = 1,291,543.18 : x - Step 2: Convert to fraction form
2,379,270.87/3,283,397.96 = 1,291,543.18/x - Step 3: Cross multiply
2,379,270.87x = 3,283,397.96 × 1,291,543.18 - Step 4: Simplify right side
2,379,270.87x = 4,240,650,242,463.91 - Step 5: Solve for x
x = 4,240,650,242,463.91/2,379,270.87 - Step 6: Final answer
x = 1,782,331.85
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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.