Finding the Fourth Proportional to 1,384,157.18, 2,074,967.30 and 485,108.84
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Solution
The fourth proportional to 1,384,157.18, 2,074,967.30 and 485,108.84 is: 727,218.70
Step by Step Solution
- Step 1: Write the proportion equation
1,384,157.18 : 2,074,967.30 = 485,108.84 : x - Step 2: Convert to fraction form
1,384,157.18/2,074,967.30 = 485,108.84/x - Step 3: Cross multiply
1,384,157.18x = 2,074,967.30 × 485,108.84 - Step 4: Simplify right side
1,384,157.18x = 1,006,584,979,940.93 - Step 5: Solve for x
x = 1,006,584,979,940.93/1,384,157.18 - Step 6: Final answer
x = 727,218.70
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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.