Finding the Fourth Proportional to 3,138,284.80, 4,708,229.10 and 1,008,389.80
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Solution
The fourth proportional to 3,138,284.80, 4,708,229.10 and 1,008,389.80 is: 1,512,842.37
Step by Step Solution
- Step 1: Write the proportion equation
3,138,284.80 : 4,708,229.10 = 1,008,389.80 : x - Step 2: Convert to fraction form
3,138,284.80/4,708,229.10 = 1,008,389.80/x - Step 3: Cross multiply
3,138,284.80x = 4,708,229.10 × 1,008,389.80 - Step 4: Simplify right side
3,138,284.80x = 4,747,730,200,503.18 - Step 5: Solve for x
x = 4,747,730,200,503.18/3,138,284.80 - Step 6: Final answer
x = 1,512,842.37
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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.