Finding the Fourth Proportional to 1,518,510.80, 2,277,766.20 and 960,021.20
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Solution
The fourth proportional to 1,518,510.80, 2,277,766.20 and 960,021.20 is: 1,440,031.80
Step by Step Solution
- Step 1: Write the proportion equation
1,518,510.80 : 2,277,766.20 = 960,021.20 : x - Step 2: Convert to fraction form
1,518,510.80/2,277,766.20 = 960,021.20/x - Step 3: Cross multiply
1,518,510.80x = 2,277,766.20 × 960,021.20 - Step 4: Simplify right side
1,518,510.80x = 2,186,703,840,643.44 - Step 5: Solve for x
x = 2,186,703,840,643.44/1,518,510.80 - Step 6: Final answer
x = 1,440,031.80
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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.