Finding the Fourth Proportional to 5,897,948.76, 8,134,976.70 and 3,936,838.05
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Solution
The fourth proportional to 5,897,948.76, 8,134,976.70 and 3,936,838.05 is: 5,430,037.99
Step by Step Solution
- Step 1: Write the proportion equation
5,897,948.76 : 8,134,976.70 = 3,936,838.05 : x - Step 2: Convert to fraction form
5,897,948.76/8,134,976.70 = 3,936,838.05/x - Step 3: Cross multiply
5,897,948.76x = 8,134,976.70 × 3,936,838.05 - Step 4: Simplify right side
5,897,948.76x = 32,026,085,808,423.43 - Step 5: Solve for x
x = 32,026,085,808,423.43/5,897,948.76 - Step 6: Final answer
x = 5,430,037.99
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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.