Finding the Fourth Proportional to 2,660,552.40, 3,990,828.60 and 1,810,246.80
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Solution
The fourth proportional to 2,660,552.40, 3,990,828.60 and 1,810,246.80 is: 2,715,370.20
Step by Step Solution
- Step 1: Write the proportion equation
2,660,552.40 : 3,990,828.60 = 1,810,246.80 : x - Step 2: Convert to fraction form
2,660,552.40/3,990,828.60 = 1,810,246.80/x - Step 3: Cross multiply
2,660,552.40x = 3,990,828.60 × 1,810,246.80 - Step 4: Simplify right side
2,660,552.40x = 7,224,384,702,498.48 - Step 5: Solve for x
x = 7,224,384,702,498.48/2,660,552.40 - Step 6: Final answer
x = 2,715,370.20
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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.