Finding the Fourth Proportional to 3,409,371.36, 4,705,042.53 and 1,939,242.10
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Solution
The fourth proportional to 3,409,371.36, 4,705,042.53 and 1,939,242.10 is: 2,676,216.70
Step by Step Solution
- Step 1: Write the proportion equation
3,409,371.36 : 4,705,042.53 = 1,939,242.10 : x - Step 2: Convert to fraction form
3,409,371.36/4,705,042.53 = 1,939,242.10/x - Step 3: Cross multiply
3,409,371.36x = 4,705,042.53 × 1,939,242.10 - Step 4: Simplify right side
3,409,371.36x = 9,124,216,556,466.51 - Step 5: Solve for x
x = 9,124,216,556,466.51/3,409,371.36 - Step 6: Final answer
x = 2,676,216.70
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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.