Finding the Fourth Proportional to 2,931,817.87, 4,394,657.44 and 1,226,937.97
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Solution
The fourth proportional to 2,931,817.87, 4,394,657.44 and 1,226,937.97 is: 1,839,122.45
Step by Step Solution
- Step 1: Write the proportion equation
2,931,817.87 : 4,394,657.44 = 1,226,937.97 : x - Step 2: Convert to fraction form
2,931,817.87/4,394,657.44 = 1,226,937.97/x - Step 3: Cross multiply
2,931,817.87x = 4,394,657.44 × 1,226,937.97 - Step 4: Simplify right side
2,931,817.87x = 5,391,972,078,279.00 - Step 5: Solve for x
x = 5,391,972,078,279.00/2,931,817.87 - Step 6: Final answer
x = 1,839,122.45
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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.