Finding the Fourth Proportional to 1,920,902.68, 2,881,852.17 and 1,021,604.95
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Solution
The fourth proportional to 1,920,902.68, 2,881,852.17 and 1,021,604.95 is: 1,532,672.36
Step by Step Solution
- Step 1: Write the proportion equation
1,920,902.68 : 2,881,852.17 = 1,021,604.95 : x - Step 2: Convert to fraction form
1,920,902.68/2,881,852.17 = 1,021,604.95/x - Step 3: Cross multiply
1,920,902.68x = 2,881,852.17 × 1,021,604.95 - Step 4: Simplify right side
1,920,902.68x = 2,944,114,442,040.24 - Step 5: Solve for x
x = 2,944,114,442,040.24/1,920,902.68 - Step 6: Final answer
x = 1,532,672.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.