Finding the Fourth Proportional to 5,389,392.90, 8,085,212.55 and 1,796,276.10
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Solution
The fourth proportional to 5,389,392.90, 8,085,212.55 and 1,796,276.10 is: 2,694,788.51
Step by Step Solution
- Step 1: Write the proportion equation
5,389,392.90 : 8,085,212.55 = 1,796,276.10 : x - Step 2: Convert to fraction form
5,389,392.90/8,085,212.55 = 1,796,276.10/x - Step 3: Cross multiply
5,389,392.90x = 8,085,212.55 × 1,796,276.10 - Step 4: Simplify right side
5,389,392.90x = 14,523,274,066,985.05 - Step 5: Solve for x
x = 14,523,274,066,985.05/5,389,392.90 - Step 6: Final answer
x = 2,694,788.51
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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.