Finding the Fourth Proportional to 4,991,102.70, 7,489,246.05 and 2,331,710.70
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Solution
The fourth proportional to 4,991,102.70, 7,489,246.05 and 2,331,710.70 is: 3,498,776.96
Step by Step Solution
- Step 1: Write the proportion equation
4,991,102.70 : 7,489,246.05 = 2,331,710.70 : x - Step 2: Convert to fraction form
4,991,102.70/7,489,246.05 = 2,331,710.70/x - Step 3: Cross multiply
4,991,102.70x = 7,489,246.05 × 2,331,710.70 - Step 4: Simplify right side
4,991,102.70x = 17,462,755,149,717.74 - Step 5: Solve for x
x = 17,462,755,149,717.74/4,991,102.70 - Step 6: Final answer
x = 3,498,776.96
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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.