Finding the Fourth Proportional to 1,657,873.72, 2,486,810.44 and 459,796.02
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Solution
The fourth proportional to 1,657,873.72, 2,486,810.44 and 459,796.02 is: 689,693.99
Step by Step Solution
- Step 1: Write the proportion equation
1,657,873.72 : 2,486,810.44 = 459,796.02 : x - Step 2: Convert to fraction form
1,657,873.72/2,486,810.44 = 459,796.02/x - Step 3: Cross multiply
1,657,873.72x = 2,486,810.44 × 459,796.02 - Step 4: Simplify right side
1,657,873.72x = 1,143,425,542,806.45 - Step 5: Solve for x
x = 1,143,425,542,806.45/1,657,873.72 - Step 6: Final answer
x = 689,693.99
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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.