Finding the Fourth Proportional to 2,259,193.76, 3,117,602.25 and 1,226,679.23
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Solution
The fourth proportional to 2,259,193.76, 3,117,602.25 and 1,226,679.23 is: 1,692,771.10
Step by Step Solution
- Step 1: Write the proportion equation
2,259,193.76 : 3,117,602.25 = 1,226,679.23 : x - Step 2: Convert to fraction form
2,259,193.76/3,117,602.25 = 1,226,679.23/x - Step 3: Cross multiply
2,259,193.76x = 3,117,602.25 × 1,226,679.23 - Step 4: Simplify right side
2,259,193.76x = 3,824,297,918,524.90 - Step 5: Solve for x
x = 3,824,297,918,524.90/2,259,193.76 - Step 6: Final answer
x = 1,692,771.10
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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.