Finding the Fourth Proportional to 4,969,897.05, 7,450,471.58 and 3,367,263.45
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Solution
The fourth proportional to 4,969,897.05, 7,450,471.58 and 3,367,263.45 is: 5,047,931.65
Step by Step Solution
- Step 1: Write the proportion equation
4,969,897.05 : 7,450,471.58 = 3,367,263.45 : x - Step 2: Convert to fraction form
4,969,897.05/7,450,471.58 = 3,367,263.45/x - Step 3: Cross multiply
4,969,897.05x = 7,450,471.58 × 3,367,263.45 - Step 4: Simplify right side
4,969,897.05x = 25,087,700,619,761.44 - Step 5: Solve for x
x = 25,087,700,619,761.44/4,969,897.05 - Step 6: Final answer
x = 5,047,931.65
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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.