Finding the Fourth Proportional to 1,968,392.16, 2,716,314.66 and 1,204,445.70
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Solution
The fourth proportional to 1,968,392.16, 2,716,314.66 and 1,204,445.70 is: 1,662,094.36
Step by Step Solution
- Step 1: Write the proportion equation
1,968,392.16 : 2,716,314.66 = 1,204,445.70 : x - Step 2: Convert to fraction form
1,968,392.16/2,716,314.66 = 1,204,445.70/x - Step 3: Cross multiply
1,968,392.16x = 2,716,314.66 × 1,204,445.70 - Step 4: Simplify right side
1,968,392.16x = 3,271,653,512,083.96 - Step 5: Solve for x
x = 3,271,653,512,083.96/1,968,392.16 - Step 6: Final answer
x = 1,662,094.36
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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.