Finding the Fourth Proportional to 2,852,873.20, 3,937,368.72 and 1,765,494.98
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Solution
The fourth proportional to 2,852,873.20, 3,937,368.72 and 1,765,494.98 is: 2,436,632.90
Step by Step Solution
- Step 1: Write the proportion equation
2,852,873.20 : 3,937,368.72 = 1,765,494.98 : x - Step 2: Convert to fraction form
2,852,873.20/3,937,368.72 = 1,765,494.98/x - Step 3: Cross multiply
2,852,873.20x = 3,937,368.72 × 1,765,494.98 - Step 4: Simplify right side
2,852,873.20x = 6,951,404,709,569.03 - Step 5: Solve for x
x = 6,951,404,709,569.03/2,852,873.20 - Step 6: Final answer
x = 2,436,632.90
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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.