Finding the Fourth Proportional to 1,837,794.30, 2,756,691.45 and 1,755,125.70
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Solution
The fourth proportional to 1,837,794.30, 2,756,691.45 and 1,755,125.70 is: 2,632,688.55
Step by Step Solution
- Step 1: Write the proportion equation
1,837,794.30 : 2,756,691.45 = 1,755,125.70 : x - Step 2: Convert to fraction form
1,837,794.30/2,756,691.45 = 1,755,125.70/x - Step 3: Cross multiply
1,837,794.30x = 2,756,691.45 × 1,755,125.70 - Step 4: Simplify right side
1,837,794.30x = 4,838,340,010,865.27 - Step 5: Solve for x
x = 4,838,340,010,865.27/1,837,794.30 - Step 6: Final answer
x = 2,632,688.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.