Finding the Fourth Proportional to 5,540,649.60, 8,317,972.80 and 2,983,900.80
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Solution
The fourth proportional to 5,540,649.60, 8,317,972.80 and 2,983,900.80 is: 4,479,620.17
Step by Step Solution
- Step 1: Write the proportion equation
5,540,649.60 : 8,317,972.80 = 2,983,900.80 : x - Step 2: Convert to fraction form
5,540,649.60/8,317,972.80 = 2,983,900.80/x - Step 3: Cross multiply
5,540,649.60x = 8,317,972.80 × 2,983,900.80 - Step 4: Simplify right side
5,540,649.60x = 24,820,005,692,298.24 - Step 5: Solve for x
x = 24,820,005,692,298.24/5,540,649.60 - Step 6: Final answer
x = 4,479,620.17
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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.