Finding the Fourth Proportional to 1,820,247.66, 2,512,745.79 and 1,175,980.14
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Solution
The fourth proportional to 1,820,247.66, 2,512,745.79 and 1,175,980.14 is: 1,623,372.03
Step by Step Solution
- Step 1: Write the proportion equation
1,820,247.66 : 2,512,745.79 = 1,175,980.14 : x - Step 2: Convert to fraction form
1,820,247.66/2,512,745.79 = 1,175,980.14/x - Step 3: Cross multiply
1,820,247.66x = 2,512,745.79 × 1,175,980.14 - Step 4: Simplify right side
1,820,247.66x = 2,954,939,145,908.61 - Step 5: Solve for x
x = 2,954,939,145,908.61/1,820,247.66 - Step 6: Final answer
x = 1,623,372.03
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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.