Finding the Fourth Proportional to 2,153,247.11, 2,971,466.39 and 1,186,354.97
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Solution
The fourth proportional to 2,153,247.11, 2,971,466.39 and 1,186,354.97 is: 1,637,161.80
Step by Step Solution
- Step 1: Write the proportion equation
2,153,247.11 : 2,971,466.39 = 1,186,354.97 : x - Step 2: Convert to fraction form
2,153,247.11/2,971,466.39 = 1,186,354.97/x - Step 3: Cross multiply
2,153,247.11x = 2,971,466.39 × 1,186,354.97 - Step 4: Simplify right side
2,153,247.11x = 3,525,213,908,073.01 - Step 5: Solve for x
x = 3,525,213,908,073.01/2,153,247.11 - Step 6: Final answer
x = 1,637,161.80
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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.