Finding the Fourth Proportional to 3,636,028.80, 5,454,009.45 and 1,392,166.80
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Solution
The fourth proportional to 3,636,028.80, 5,454,009.45 and 1,392,166.80 is: 2,088,237.28
Step by Step Solution
- Step 1: Write the proportion equation
3,636,028.80 : 5,454,009.45 = 1,392,166.80 : x - Step 2: Convert to fraction form
3,636,028.80/5,454,009.45 = 1,392,166.80/x - Step 3: Cross multiply
3,636,028.80x = 5,454,009.45 × 1,392,166.80 - Step 4: Simplify right side
3,636,028.80x = 7,592,890,883,176.26 - Step 5: Solve for x
x = 7,592,890,883,176.26/3,636,028.80 - Step 6: Final answer
x = 2,088,237.28
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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.