Finding the Fourth Proportional to 1,455,830.60, 2,183,810.70 and 496,272.20
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Solution
The fourth proportional to 1,455,830.60, 2,183,810.70 and 496,272.20 is: 744,430.39
Step by Step Solution
- Step 1: Write the proportion equation
1,455,830.60 : 2,183,810.70 = 496,272.20 : x - Step 2: Convert to fraction form
1,455,830.60/2,183,810.70 = 496,272.20/x - Step 3: Cross multiply
1,455,830.60x = 2,183,810.70 × 496,272.20 - Step 4: Simplify right side
1,455,830.60x = 1,083,764,540,472.54 - Step 5: Solve for x
x = 1,083,764,540,472.54/1,455,830.60 - Step 6: Final answer
x = 744,430.39
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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.