Finding the Fourth Proportional to 4,987,017.64, 6,880,463.94 and 3,051,260.20
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Solution
The fourth proportional to 4,987,017.64, 6,880,463.94 and 3,051,260.20 is: 4,209,747.65
Step by Step Solution
- Step 1: Write the proportion equation
4,987,017.64 : 6,880,463.94 = 3,051,260.20 : x - Step 2: Convert to fraction form
4,987,017.64/6,880,463.94 = 3,051,260.20/x - Step 3: Cross multiply
4,987,017.64x = 6,880,463.94 × 3,051,260.20 - Step 4: Simplify right side
4,987,017.64x = 20,994,085,777,657.19 - Step 5: Solve for x
x = 20,994,085,777,657.19/4,987,017.64 - Step 6: Final answer
x = 4,209,747.65
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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.