Finding the Fourth Proportional to 1,490,339.60, 2,234,415.90 and 591,336.80
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Solution
The fourth proportional to 1,490,339.60, 2,234,415.90 and 591,336.80 is: 886,571.32
Step by Step Solution
- Step 1: Write the proportion equation
1,490,339.60 : 2,234,415.90 = 591,336.80 : x - Step 2: Convert to fraction form
1,490,339.60/2,234,415.90 = 591,336.80/x - Step 3: Cross multiply
1,490,339.60x = 2,234,415.90 × 591,336.80 - Step 4: Simplify right side
1,490,339.60x = 1,321,292,348,175.12 - Step 5: Solve for x
x = 1,321,292,348,175.12/1,490,339.60 - Step 6: Final answer
x = 886,571.32
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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.