Finding the Fourth Proportional to 3,120,477.39, 4,306,175.53 and 1,743,831.84
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Solution
The fourth proportional to 3,120,477.39, 4,306,175.53 and 1,743,831.84 is: 2,406,441.41
Step by Step Solution
- Step 1: Write the proportion equation
3,120,477.39 : 4,306,175.53 = 1,743,831.84 : x - Step 2: Convert to fraction form
3,120,477.39/4,306,175.53 = 1,743,831.84/x - Step 3: Cross multiply
3,120,477.39x = 4,306,175.53 × 1,743,831.84 - Step 4: Simplify right side
3,120,477.39x = 7,509,245,997,842.88 - Step 5: Solve for x
x = 7,509,245,997,842.88/3,120,477.39 - Step 6: Final answer
x = 2,406,441.41
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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.