Finding the Fourth Proportional to 4,243,609.70, 6,365,414.55 and 1,719,347.30
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Solution
The fourth proportional to 4,243,609.70, 6,365,414.55 and 1,719,347.30 is: 2,579,020.95
Step by Step Solution
- Step 1: Write the proportion equation
4,243,609.70 : 6,365,414.55 = 1,719,347.30 : x - Step 2: Convert to fraction form
4,243,609.70/6,365,414.55 = 1,719,347.30/x - Step 3: Cross multiply
4,243,609.70x = 6,365,414.55 × 1,719,347.30 - Step 4: Simplify right side
4,243,609.70x = 10,944,358,319,923.21 - Step 5: Solve for x
x = 10,944,358,319,923.21/4,243,609.70 - Step 6: Final answer
x = 2,579,020.95
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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.