Finding the Fourth Proportional to 1,517,542.68, 2,275,640.10 and 807,421.08
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Solution
The fourth proportional to 1,517,542.68, 2,275,640.10 and 807,421.08 is: 1,210,773.06
Step by Step Solution
- Step 1: Write the proportion equation
1,517,542.68 : 2,275,640.10 = 807,421.08 : x - Step 2: Convert to fraction form
1,517,542.68/2,275,640.10 = 807,421.08/x - Step 3: Cross multiply
1,517,542.68x = 2,275,640.10 × 807,421.08 - Step 4: Simplify right side
1,517,542.68x = 1,837,399,787,233.31 - Step 5: Solve for x
x = 1,837,399,787,233.31/1,517,542.68 - Step 6: Final answer
x = 1,210,773.06
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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.