Finding the Fourth Proportional to 2,635,489.22, 3,634,259.74 and 2,254,776.26
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Solution
The fourth proportional to 2,635,489.22, 3,634,259.74 and 2,254,776.26 is: 3,109,268.11
Step by Step Solution
- Step 1: Write the proportion equation
2,635,489.22 : 3,634,259.74 = 2,254,776.26 : x - Step 2: Convert to fraction form
2,635,489.22/3,634,259.74 = 2,254,776.26/x - Step 3: Cross multiply
2,635,489.22x = 3,634,259.74 × 2,254,776.26 - Step 4: Simplify right side
2,635,489.22x = 8,194,442,584,425.77 - Step 5: Solve for x
x = 8,194,442,584,425.77/2,635,489.22 - Step 6: Final answer
x = 3,109,268.11
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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.