Finding the Fourth Proportional to 2,354,645.40, 3,531,968.10 and 1,407,528.60
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Solution
The fourth proportional to 2,354,645.40, 3,531,968.10 and 1,407,528.60 is: 2,111,292.90
Step by Step Solution
- Step 1: Write the proportion equation
2,354,645.40 : 3,531,968.10 = 1,407,528.60 : x - Step 2: Convert to fraction form
2,354,645.40/3,531,968.10 = 1,407,528.60/x - Step 3: Cross multiply
2,354,645.40x = 3,531,968.10 × 1,407,528.60 - Step 4: Simplify right side
2,354,645.40x = 4,971,346,115,037.66 - Step 5: Solve for x
x = 4,971,346,115,037.66/2,354,645.40 - Step 6: Final answer
x = 2,111,292.90
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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.