Finding the Fourth Proportional to 2,917,310.86, 4,373,699.95 and 1,890,471.97
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Solution
The fourth proportional to 2,917,310.86, 4,373,699.95 and 1,890,471.97 is: 2,834,239.32
Step by Step Solution
- Step 1: Write the proportion equation
2,917,310.86 : 4,373,699.95 = 1,890,471.97 : x - Step 2: Convert to fraction form
2,917,310.86/4,373,699.95 = 1,890,471.97/x - Step 3: Cross multiply
2,917,310.86x = 4,373,699.95 × 1,890,471.97 - Step 4: Simplify right side
2,917,310.86x = 8,268,357,160,665.40 - Step 5: Solve for x
x = 8,268,357,160,665.40/2,917,310.86 - Step 6: Final answer
x = 2,834,239.32
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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.