Finding the Fourth Proportional to 1,220,320.22, 1,830,549.99 and 410,379.62
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Solution
The fourth proportional to 1,220,320.22, 1,830,549.99 and 410,379.62 is: 615,592.86
Step by Step Solution
- Step 1: Write the proportion equation
1,220,320.22 : 1,830,549.99 = 410,379.62 : x - Step 2: Convert to fraction form
1,220,320.22/1,830,549.99 = 410,379.62/x - Step 3: Cross multiply
1,220,320.22x = 1,830,549.99 × 410,379.62 - Step 4: Simplify right side
1,220,320.22x = 751,220,409,287.20 - Step 5: Solve for x
x = 751,220,409,287.20/1,220,320.22 - Step 6: Final answer
x = 615,592.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.