Finding the Fourth Proportional to 1,934,354.70, 2,901,532.05 and 1,668,634.20
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Solution
The fourth proportional to 1,934,354.70, 2,901,532.05 and 1,668,634.20 is: 2,502,951.30
Step by Step Solution
- Step 1: Write the proportion equation
1,934,354.70 : 2,901,532.05 = 1,668,634.20 : x - Step 2: Convert to fraction form
1,934,354.70/2,901,532.05 = 1,668,634.20/x - Step 3: Cross multiply
1,934,354.70x = 2,901,532.05 × 1,668,634.20 - Step 4: Simplify right side
1,934,354.70x = 4,841,595,611,026.11 - Step 5: Solve for x
x = 4,841,595,611,026.11/1,934,354.70 - Step 6: Final answer
x = 2,502,951.30
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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.