Finding the Fourth Proportional to 2,912,565.06, 4,368,843.81 and 782,649.23
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Solution
The fourth proportional to 2,912,565.06, 4,368,843.81 and 782,649.23 is: 1,173,972.82
Step by Step Solution
- Step 1: Write the proportion equation
2,912,565.06 : 4,368,843.81 = 782,649.23 : x - Step 2: Convert to fraction form
2,912,565.06/4,368,843.81 = 782,649.23/x - Step 3: Cross multiply
2,912,565.06x = 4,368,843.81 × 782,649.23 - Step 4: Simplify right side
2,912,565.06x = 3,419,272,222,042.55 - Step 5: Solve for x
x = 3,419,272,222,042.55/2,912,565.06 - Step 6: Final answer
x = 1,173,972.82
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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.