Finding the Fourth Proportional to 2,389,928.16, 3,298,059.26 and 1,302,208.73
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Solution
The fourth proportional to 2,389,928.16, 3,298,059.26 and 1,302,208.73 is: 1,797,025.38
Step by Step Solution
- Step 1: Write the proportion equation
2,389,928.16 : 3,298,059.26 = 1,302,208.73 : x - Step 2: Convert to fraction form
2,389,928.16/3,298,059.26 = 1,302,208.73/x - Step 3: Cross multiply
2,389,928.16x = 3,298,059.26 × 1,302,208.73 - Step 4: Simplify right side
2,389,928.16x = 4,294,761,562,003.93 - Step 5: Solve for x
x = 4,294,761,562,003.93/2,389,928.16 - Step 6: Final answer
x = 1,797,025.38
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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.