Finding the Fourth Proportional to 1,984,202.31, 2,738,119.91 and 1,168,440.38
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Solution
The fourth proportional to 1,984,202.31, 2,738,119.91 and 1,168,440.38 is: 1,612,401.04
Step by Step Solution
- Step 1: Write the proportion equation
1,984,202.31 : 2,738,119.91 = 1,168,440.38 : x - Step 2: Convert to fraction form
1,984,202.31/2,738,119.91 = 1,168,440.38/x - Step 3: Cross multiply
1,984,202.31x = 2,738,119.91 × 1,168,440.38 - Step 4: Simplify right side
1,984,202.31x = 3,199,329,868,125.97 - Step 5: Solve for x
x = 3,199,329,868,125.97/1,984,202.31 - Step 6: Final answer
x = 1,612,401.04
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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.