Finding the Fourth Proportional to 3,774,470.84, 5,208,917.21 and 2,143,029.99
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Solution
The fourth proportional to 3,774,470.84, 5,208,917.21 and 2,143,029.99 is: 2,957,465.11
Step by Step Solution
- Step 1: Write the proportion equation
3,774,470.84 : 5,208,917.21 = 2,143,029.99 : x - Step 2: Convert to fraction form
3,774,470.84/5,208,917.21 = 2,143,029.99/x - Step 3: Cross multiply
3,774,470.84x = 5,208,917.21 × 2,143,029.99 - Step 4: Simplify right side
3,774,470.84x = 11,162,865,814,837.00 - Step 5: Solve for x
x = 11,162,865,814,837.00/3,774,470.84 - Step 6: Final answer
x = 2,957,465.11
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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.