Finding the Fourth Proportional to 3,590,180.20, 5,385,270.30 and 2,787,113.80
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Solution
The fourth proportional to 3,590,180.20, 5,385,270.30 and 2,787,113.80 is: 4,180,670.70
Step by Step Solution
- Step 1: Write the proportion equation
3,590,180.20 : 5,385,270.30 = 2,787,113.80 : x - Step 2: Convert to fraction form
3,590,180.20/5,385,270.30 = 2,787,113.80/x - Step 3: Cross multiply
3,590,180.20x = 5,385,270.30 × 2,787,113.80 - Step 4: Simplify right side
3,590,180.20x = 15,009,361,169,860.14 - Step 5: Solve for x
x = 15,009,361,169,860.14/3,590,180.20 - Step 6: Final answer
x = 4,180,670.70
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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.