Finding the Fourth Proportional to 1,693,115.10, 2,539,672.65 and 1,021,268.70
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Solution
The fourth proportional to 1,693,115.10, 2,539,672.65 and 1,021,268.70 is: 1,531,903.05
Step by Step Solution
- Step 1: Write the proportion equation
1,693,115.10 : 2,539,672.65 = 1,021,268.70 : x - Step 2: Convert to fraction form
1,693,115.10/2,539,672.65 = 1,021,268.70/x - Step 3: Cross multiply
1,693,115.10x = 2,539,672.65 × 1,021,268.70 - Step 4: Simplify right side
1,693,115.10x = 2,593,688,185,691.05 - Step 5: Solve for x
x = 2,593,688,185,691.05/1,693,115.10 - Step 6: Final answer
x = 1,531,903.05
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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.