Finding the Fourth Proportional to 2,030,282.18, 2,801,789.42 and 1,214,520.26
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Solution
The fourth proportional to 2,030,282.18, 2,801,789.42 and 1,214,520.26 is: 1,676,037.97
Step by Step Solution
- Step 1: Write the proportion equation
2,030,282.18 : 2,801,789.42 = 1,214,520.26 : x - Step 2: Convert to fraction form
2,030,282.18/2,801,789.42 = 1,214,520.26/x - Step 3: Cross multiply
2,030,282.18x = 2,801,789.42 × 1,214,520.26 - Step 4: Simplify right side
2,030,282.18x = 3,402,830,014,843.65 - Step 5: Solve for x
x = 3,402,830,014,843.65/2,030,282.18 - Step 6: Final answer
x = 1,676,037.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.