Finding the Fourth Proportional to 2,140,656.88, 3,211,520.44 and 1,510,800.88
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Solution
The fourth proportional to 2,140,656.88, 3,211,520.44 and 1,510,800.88 is: 2,266,578.99
Step by Step Solution
- Step 1: Write the proportion equation
2,140,656.88 : 3,211,520.44 = 1,510,800.88 : x - Step 2: Convert to fraction form
2,140,656.88/3,211,520.44 = 1,510,800.88/x - Step 3: Cross multiply
2,140,656.88x = 3,211,520.44 × 1,510,800.88 - Step 4: Simplify right side
2,140,656.88x = 4,851,967,906,889.99 - Step 5: Solve for x
x = 4,851,967,906,889.99/2,140,656.88 - Step 6: Final answer
x = 2,266,578.99
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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.