Finding the Fourth Proportional to 1,920,324.70, 2,650,028.16 and 1,060,828.84
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Solution
The fourth proportional to 1,920,324.70, 2,650,028.16 and 1,060,828.84 is: 1,463,932.79
Step by Step Solution
- Step 1: Write the proportion equation
1,920,324.70 : 2,650,028.16 = 1,060,828.84 : x - Step 2: Convert to fraction form
1,920,324.70/2,650,028.16 = 1,060,828.84/x - Step 3: Cross multiply
1,920,324.70x = 2,650,028.16 × 1,060,828.84 - Step 4: Simplify right side
1,920,324.70x = 2,811,226,298,940.13 - Step 5: Solve for x
x = 2,811,226,298,940.13/1,920,324.70 - Step 6: Final answer
x = 1,463,932.79
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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.