Finding the Fourth Proportional to 2,610,367.20, 3,915,550.80 and 2,574,937.80
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Solution
The fourth proportional to 2,610,367.20, 3,915,550.80 and 2,574,937.80 is: 3,862,406.70
Step by Step Solution
- Step 1: Write the proportion equation
2,610,367.20 : 3,915,550.80 = 2,574,937.80 : x - Step 2: Convert to fraction form
2,610,367.20/3,915,550.80 = 2,574,937.80/x - Step 3: Cross multiply
2,610,367.20x = 3,915,550.80 × 2,574,937.80 - Step 4: Simplify right side
2,610,367.20x = 10,082,299,762,740.24 - Step 5: Solve for x
x = 10,082,299,762,740.24/2,610,367.20 - Step 6: Final answer
x = 3,862,406.70
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1.5x scale
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.