Finding the Fourth Proportional to 1,625,399.34, 2,439,343.17 and 726,493.74
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Solution
The fourth proportional to 1,625,399.34, 2,439,343.17 and 726,493.74 is: 1,090,296.70
Step by Step Solution
- Step 1: Write the proportion equation
1,625,399.34 : 2,439,343.17 = 726,493.74 : x - Step 2: Convert to fraction form
1,625,399.34/2,439,343.17 = 726,493.74/x - Step 3: Cross multiply
1,625,399.34x = 2,439,343.17 × 726,493.74 - Step 4: Simplify right side
1,625,399.34x = 1,772,167,542,716.76 - Step 5: Solve for x
x = 1,772,167,542,716.76/1,625,399.34 - Step 6: Final answer
x = 1,090,296.70
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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.