Finding the Fourth Proportional to 2,660,353.60, 3,990,530.40 and 1,063,163.20
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Solution
The fourth proportional to 2,660,353.60, 3,990,530.40 and 1,063,163.20 is: 1,594,744.80
Step by Step Solution
- Step 1: Write the proportion equation
2,660,353.60 : 3,990,530.40 = 1,063,163.20 : x - Step 2: Convert to fraction form
2,660,353.60/3,990,530.40 = 1,063,163.20/x - Step 3: Cross multiply
2,660,353.60x = 3,990,530.40 × 1,063,163.20 - Step 4: Simplify right side
2,660,353.60x = 4,242,585,069,761.28 - Step 5: Solve for x
x = 4,242,585,069,761.28/2,660,353.60 - Step 6: Final answer
x = 1,594,744.80
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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.