Finding the Fourth Proportional to 3,715,971.77, 5,128,030.64 and 2,062,368.53
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Solution
The fourth proportional to 3,715,971.77, 5,128,030.64 and 2,062,368.53 is: 2,846,062.80
Step by Step Solution
- Step 1: Write the proportion equation
3,715,971.77 : 5,128,030.64 = 2,062,368.53 : x - Step 2: Convert to fraction form
3,715,971.77/5,128,030.64 = 2,062,368.53/x - Step 3: Cross multiply
3,715,971.77x = 5,128,030.64 × 2,062,368.53 - Step 4: Simplify right side
3,715,971.77x = 10,575,889,001,107.37 - Step 5: Solve for x
x = 10,575,889,001,107.37/3,715,971.77 - Step 6: Final answer
x = 2,846,062.80
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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.