Finding the Fourth Proportional to 1,567,415.19, 2,351,151.96 and 445,513.35
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Solution
The fourth proportional to 1,567,415.19, 2,351,151.96 and 445,513.35 is: 668,278.32
Step by Step Solution
- Step 1: Write the proportion equation
1,567,415.19 : 2,351,151.96 = 445,513.35 : x - Step 2: Convert to fraction form
1,567,415.19/2,351,151.96 = 445,513.35/x - Step 3: Cross multiply
1,567,415.19x = 2,351,151.96 × 445,513.35 - Step 4: Simplify right side
1,567,415.19x = 1,047,469,583,831.10 - Step 5: Solve for x
x = 1,047,469,583,831.10/1,567,415.19 - Step 6: Final answer
x = 668,278.32
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1.5x scale
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.