Finding the Fourth Proportional to 3,450,568.91, 4,761,930.80 and 1,922,675.63
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Solution
The fourth proportional to 3,450,568.91, 4,761,930.80 and 1,922,675.63 is: 2,653,373.55
Step by Step Solution
- Step 1: Write the proportion equation
3,450,568.91 : 4,761,930.80 = 1,922,675.63 : x - Step 2: Convert to fraction form
3,450,568.91/4,761,930.80 = 1,922,675.63/x - Step 3: Cross multiply
3,450,568.91x = 4,761,930.80 × 1,922,675.63 - Step 4: Simplify right side
3,450,568.91x = 9,155,648,281,903.44 - Step 5: Solve for x
x = 9,155,648,281,903.44/3,450,568.91 - Step 6: Final answer
x = 2,653,373.55
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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.