Finding the Fourth Proportional to 4,634,198.70, 6,942,248.46 and 2,201,890.56
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Solution
The fourth proportional to 4,634,198.70, 6,942,248.46 and 2,201,890.56 is: 3,298,536.02
Step by Step Solution
- Step 1: Write the proportion equation
4,634,198.70 : 6,942,248.46 = 2,201,890.56 : x - Step 2: Convert to fraction form
4,634,198.70/6,942,248.46 = 2,201,890.56/x - Step 3: Cross multiply
4,634,198.70x = 6,942,248.46 × 2,201,890.56 - Step 4: Simplify right side
4,634,198.70x = 15,286,071,349,248.54 - Step 5: Solve for x
x = 15,286,071,349,248.54/4,634,198.70 - Step 6: Final answer
x = 3,298,536.02
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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.