Finding the Fourth Proportional to 1,796,233.68, 2,478,801.84 and 1,224,272.70
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Solution
The fourth proportional to 1,796,233.68, 2,478,801.84 and 1,224,272.70 is: 1,689,495.89
Step by Step Solution
- Step 1: Write the proportion equation
1,796,233.68 : 2,478,801.84 = 1,224,272.70 : x - Step 2: Convert to fraction form
1,796,233.68/2,478,801.84 = 1,224,272.70/x - Step 3: Cross multiply
1,796,233.68x = 2,478,801.84 × 1,224,272.70 - Step 4: Simplify right side
1,796,233.68x = 3,034,729,421,421.77 - Step 5: Solve for x
x = 3,034,729,421,421.77/1,796,233.68 - Step 6: Final answer
x = 1,689,495.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.