Finding the Fourth Proportional to 1,685,577.40, 2,326,729.35 and 1,104,837.94
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Solution
The fourth proportional to 1,685,577.40, 2,326,729.35 and 1,104,837.94 is: 1,525,090.96
Step by Step Solution
- Step 1: Write the proportion equation
1,685,577.40 : 2,326,729.35 = 1,104,837.94 : x - Step 2: Convert to fraction form
1,685,577.40/2,326,729.35 = 1,104,837.94/x - Step 3: Cross multiply
1,685,577.40x = 2,326,729.35 × 1,104,837.94 - Step 4: Simplify right side
1,685,577.40x = 2,570,658,856,174.72 - Step 5: Solve for x
x = 2,570,658,856,174.72/1,685,577.40 - Step 6: Final answer
x = 1,525,090.96
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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.