Finding the Fourth Proportional to 2,812,819.93, 3,881,710.13 and 1,523,660.31
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Solution
The fourth proportional to 2,812,819.93, 3,881,710.13 and 1,523,660.31 is: 2,102,661.32
Step by Step Solution
- Step 1: Write the proportion equation
2,812,819.93 : 3,881,710.13 = 1,523,660.31 : x - Step 2: Convert to fraction form
2,812,819.93/3,881,710.13 = 1,523,660.31/x - Step 3: Cross multiply
2,812,819.93x = 3,881,710.13 × 1,523,660.31 - Step 4: Simplify right side
2,812,819.93x = 5,914,407,660,005.94 - Step 5: Solve for x
x = 5,914,407,660,005.94/2,812,819.93 - Step 6: Final answer
x = 2,102,661.32
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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.