Finding the Fourth Proportional to 2,256,772.57, 3,361,703.21 and 2,134,538.71
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Solution
The fourth proportional to 2,256,772.57, 3,361,703.21 and 2,134,538.71 is: 3,179,622.86
Step by Step Solution
- Step 1: Write the proportion equation
2,256,772.57 : 3,361,703.21 = 2,134,538.71 : x - Step 2: Convert to fraction form
2,256,772.57/3,361,703.21 = 2,134,538.71/x - Step 3: Cross multiply
2,256,772.57x = 3,361,703.21 × 2,134,538.71 - Step 4: Simplify right side
2,256,772.57x = 7,175,685,634,210.61 - Step 5: Solve for x
x = 7,175,685,634,210.61/2,256,772.57 - Step 6: Final answer
x = 3,179,622.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.