Finding the Fourth Proportional to 1,485,274.74, 2,225,916.48 and 810,344.68
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Solution
The fourth proportional to 1,485,274.74, 2,225,916.48 and 810,344.68 is: 1,214,428.23
Step by Step Solution
- Step 1: Write the proportion equation
1,485,274.74 : 2,225,916.48 = 810,344.68 : x - Step 2: Convert to fraction form
1,485,274.74/2,225,916.48 = 810,344.68/x - Step 3: Cross multiply
1,485,274.74x = 2,225,916.48 × 810,344.68 - Step 4: Simplify right side
1,485,274.74x = 1,803,759,577,692.33 - Step 5: Solve for x
x = 1,803,759,577,692.33/1,485,274.74 - Step 6: Final answer
x = 1,214,428.23
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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.