Finding the Fourth Proportional to 2,315,171.64, 3,472,888.68 and 717,961.80
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Solution
The fourth proportional to 2,315,171.64, 3,472,888.68 and 717,961.80 is: 1,076,983.39
Step by Step Solution
- Step 1: Write the proportion equation
2,315,171.64 : 3,472,888.68 = 717,961.80 : x - Step 2: Convert to fraction form
2,315,171.64/3,472,888.68 = 717,961.80/x - Step 3: Cross multiply
2,315,171.64x = 3,472,888.68 × 717,961.80 - Step 4: Simplify right side
2,315,171.64x = 2,493,401,407,892.42 - Step 5: Solve for x
x = 2,493,401,407,892.42/2,315,171.64 - Step 6: Final answer
x = 1,076,983.39
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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.