Finding the Fourth Proportional to 2,551,026.62, 3,520,416.42 and 1,405,106.96
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Solution
The fourth proportional to 2,551,026.62, 3,520,416.42 and 1,405,106.96 is: 1,939,047.43
Step by Step Solution
- Step 1: Write the proportion equation
2,551,026.62 : 3,520,416.42 = 1,405,106.96 : x - Step 2: Convert to fraction form
2,551,026.62/3,520,416.42 = 1,405,106.96/x - Step 3: Cross multiply
2,551,026.62x = 3,520,416.42 × 1,405,106.96 - Step 4: Simplify right side
2,551,026.62x = 4,946,561,612,971.65 - Step 5: Solve for x
x = 4,946,561,612,971.65/2,551,026.62 - Step 6: Final answer
x = 1,939,047.43
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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.