Finding the Fourth Proportional to 2,862,847.70, 4,294,271.55 and 1,369,855.70
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Solution
The fourth proportional to 2,862,847.70, 4,294,271.55 and 1,369,855.70 is: 2,054,783.55
Step by Step Solution
- Step 1: Write the proportion equation
2,862,847.70 : 4,294,271.55 = 1,369,855.70 : x - Step 2: Convert to fraction form
2,862,847.70/4,294,271.55 = 1,369,855.70/x - Step 3: Cross multiply
2,862,847.70x = 4,294,271.55 × 1,369,855.70 - Step 4: Simplify right side
2,862,847.70x = 5,882,532,360,115.34 - Step 5: Solve for x
x = 5,882,532,360,115.34/2,862,847.70 - Step 6: Final answer
x = 2,054,783.55
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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.