Finding the Fourth Proportional to 1,474,820.48, 2,035,174.84 and 830,219.24
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Solution
The fourth proportional to 1,474,820.48, 2,035,174.84 and 830,219.24 is: 1,145,658.97
Step by Step Solution
- Step 1: Write the proportion equation
1,474,820.48 : 2,035,174.84 = 830,219.24 : x - Step 2: Convert to fraction form
1,474,820.48/2,035,174.84 = 830,219.24/x - Step 3: Cross multiply
1,474,820.48x = 2,035,174.84 × 830,219.24 - Step 4: Simplify right side
1,474,820.48x = 1,689,641,308,931.92 - Step 5: Solve for x
x = 1,689,641,308,931.92/1,474,820.48 - Step 6: Final answer
x = 1,145,658.97
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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.