Finding the Fourth Proportional to 4,998,163.60, 7,497,245.40 and 1,803,782.80
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Solution
The fourth proportional to 4,998,163.60, 7,497,245.40 and 1,803,782.80 is: 2,705,674.20
Step by Step Solution
- Step 1: Write the proportion equation
4,998,163.60 : 7,497,245.40 = 1,803,782.80 : x - Step 2: Convert to fraction form
4,998,163.60/7,497,245.40 = 1,803,782.80/x - Step 3: Cross multiply
4,998,163.60x = 7,497,245.40 × 1,803,782.80 - Step 4: Simplify right side
4,998,163.60x = 13,523,402,299,899.12 - Step 5: Solve for x
x = 13,523,402,299,899.12/4,998,163.60 - Step 6: Final answer
x = 2,705,674.20
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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.