Finding the Fourth Proportional to 1,474,407.05, 2,034,747.20 and 829,868.99
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Solution
The fourth proportional to 1,474,407.05, 2,034,747.20 and 829,868.99 is: 1,145,256.05
Step by Step Solution
- Step 1: Write the proportion equation
1,474,407.05 : 2,034,747.20 = 829,868.99 : x - Step 2: Convert to fraction form
1,474,407.05/2,034,747.20 = 829,868.99/x - Step 3: Cross multiply
1,474,407.05x = 2,034,747.20 × 829,868.99 - Step 4: Simplify right side
1,474,407.05x = 1,688,573,595,670.26 - Step 5: Solve for x
x = 1,688,573,595,670.26/1,474,407.05 - Step 6: Final answer
x = 1,145,256.05
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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.