Finding the Fourth Proportional to 4,030,213.68, 5,561,271.36 and 2,287,328.76
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Solution
The fourth proportional to 4,030,213.68, 5,561,271.36 and 2,287,328.76 is: 3,156,273.32
Step by Step Solution
- Step 1: Write the proportion equation
4,030,213.68 : 5,561,271.36 = 2,287,328.76 : x - Step 2: Convert to fraction form
4,030,213.68/5,561,271.36 = 2,287,328.76/x - Step 3: Cross multiply
4,030,213.68x = 5,561,271.36 × 2,287,328.76 - Step 4: Simplify right side
4,030,213.68x = 12,720,455,923,892.31 - Step 5: Solve for x
x = 12,720,455,923,892.31/4,030,213.68 - Step 6: Final answer
x = 3,156,273.32
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1.5x scale
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.