Finding the Fourth Proportional to 1,686,283.49, 2,529,458.04 and 620,777.09
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Solution
The fourth proportional to 1,686,283.49, 2,529,458.04 and 620,777.09 is: 931,177.71
Step by Step Solution
- Step 1: Write the proportion equation
1,686,283.49 : 2,529,458.04 = 620,777.09 : x - Step 2: Convert to fraction form
1,686,283.49/2,529,458.04 = 620,777.09/x - Step 3: Cross multiply
1,686,283.49x = 2,529,458.04 × 620,777.09 - Step 4: Simplify right side
1,686,283.49x = 1,570,229,588,701.01 - Step 5: Solve for x
x = 1,570,229,588,701.01/1,686,283.49 - Step 6: Final answer
x = 931,177.71
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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.