Finding the Fourth Proportional to 1,668,405.36, 2,302,517.42 and 943,259.95
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Solution
The fourth proportional to 1,668,405.36, 2,302,517.42 and 943,259.95 is: 1,301,765.45
Step by Step Solution
- Step 1: Write the proportion equation
1,668,405.36 : 2,302,517.42 = 943,259.95 : x - Step 2: Convert to fraction form
1,668,405.36/2,302,517.42 = 943,259.95/x - Step 3: Cross multiply
1,668,405.36x = 2,302,517.42 × 943,259.95 - Step 4: Simplify right side
1,668,405.36x = 2,171,872,450,234.44 - Step 5: Solve for x
x = 2,171,872,450,234.44/1,668,405.36 - Step 6: Final answer
x = 1,301,765.45
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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.