Finding the Fourth Proportional to 5,420,599.69, 7,482,102.60 and 3,486,860.27
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Solution
The fourth proportional to 5,420,599.69, 7,482,102.60 and 3,486,860.27 is: 4,812,944.65
Step by Step Solution
- Step 1: Write the proportion equation
5,420,599.69 : 7,482,102.60 = 3,486,860.27 : x - Step 2: Convert to fraction form
5,420,599.69/7,482,102.60 = 3,486,860.27/x - Step 3: Cross multiply
5,420,599.69x = 7,482,102.60 × 3,486,860.27 - Step 4: Simplify right side
5,420,599.69x = 26,089,046,256,831.97 - Step 5: Solve for x
x = 26,089,046,256,831.97/5,420,599.69 - Step 6: Final answer
x = 4,812,944.65
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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.