Finding the Fourth Proportional to 4,259,478.60, 5,878,318.50 and 2,325,918.60
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Solution
The fourth proportional to 4,259,478.60, 5,878,318.50 and 2,325,918.60 is: 3,209,897.65
Step by Step Solution
- Step 1: Write the proportion equation
4,259,478.60 : 5,878,318.50 = 2,325,918.60 : x - Step 2: Convert to fraction form
4,259,478.60/5,878,318.50 = 2,325,918.60/x - Step 3: Cross multiply
4,259,478.60x = 5,878,318.50 × 2,325,918.60 - Step 4: Simplify right side
4,259,478.60x = 13,672,490,335,874.10 - Step 5: Solve for x
x = 13,672,490,335,874.10/4,259,478.60 - Step 6: Final answer
x = 3,209,897.65
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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.