Finding the Fourth Proportional to 1,415,265.05, 2,123,027.18 and 573,642.65
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Solution
The fourth proportional to 1,415,265.05, 2,123,027.18 and 573,642.65 is: 860,516.51
Step by Step Solution
- Step 1: Write the proportion equation
1,415,265.05 : 2,123,027.18 = 573,642.65 : x - Step 2: Convert to fraction form
1,415,265.05/2,123,027.18 = 573,642.65/x - Step 3: Cross multiply
1,415,265.05x = 2,123,027.18 × 573,642.65 - Step 4: Simplify right side
1,415,265.05x = 1,217,858,934,689.01 - Step 5: Solve for x
x = 1,217,858,934,689.01/1,415,265.05 - Step 6: Final answer
x = 860,516.51
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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.