Finding the Fourth Proportional to 5,255,070.96, 7,254,439.22 and 3,079,312.14
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Solution
The fourth proportional to 5,255,070.96, 7,254,439.22 and 3,079,312.14 is: 4,250,881.28
Step by Step Solution
- Step 1: Write the proportion equation
5,255,070.96 : 7,254,439.22 = 3,079,312.14 : x - Step 2: Convert to fraction form
5,255,070.96/7,254,439.22 = 3,079,312.14/x - Step 3: Cross multiply
5,255,070.96x = 7,254,439.22 × 3,079,312.14 - Step 4: Simplify right side
5,255,070.96x = 22,338,682,743,641.57 - Step 5: Solve for x
x = 22,338,682,743,641.57/5,255,070.96 - Step 6: Final answer
x = 4,250,881.28
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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.