Finding the Fourth Proportional to 5,104,880.91, 7,044,645.26 and 2,781,793.96
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Solution
The fourth proportional to 5,104,880.91, 7,044,645.26 and 2,781,793.96 is: 3,838,826.40
Step by Step Solution
- Step 1: Write the proportion equation
5,104,880.91 : 7,044,645.26 = 2,781,793.96 : x - Step 2: Convert to fraction form
5,104,880.91/7,044,645.26 = 2,781,793.96/x - Step 3: Cross multiply
5,104,880.91x = 7,044,645.26 × 2,781,793.96 - Step 4: Simplify right side
5,104,880.91x = 19,596,751,623,953.50 - Step 5: Solve for x
x = 19,596,751,623,953.50/5,104,880.91 - Step 6: Final answer
x = 3,838,826.40
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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.