Finding the Fourth Proportional to 2,067,138.99, 2,852,780.70 and 1,149,573.12
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Solution
The fourth proportional to 2,067,138.99, 2,852,780.70 and 1,149,573.12 is: 1,586,482.59
Step by Step Solution
- Step 1: Write the proportion equation
2,067,138.99 : 2,852,780.70 = 1,149,573.12 : x - Step 2: Convert to fraction form
2,067,138.99/2,852,780.70 = 1,149,573.12/x - Step 3: Cross multiply
2,067,138.99x = 2,852,780.70 × 1,149,573.12 - Step 4: Simplify right side
2,067,138.99x = 3,279,480,009,974.78 - Step 5: Solve for x
x = 3,279,480,009,974.78/2,067,138.99 - Step 6: Final answer
x = 1,586,482.59
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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.