Finding the Fourth Proportional to 4,243,159.18, 5,855,703.42 and 2,309,489.92
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Solution
The fourth proportional to 4,243,159.18, 5,855,703.42 and 2,309,489.92 is: 3,187,174.33
Step by Step Solution
- Step 1: Write the proportion equation
4,243,159.18 : 5,855,703.42 = 2,309,489.92 : x - Step 2: Convert to fraction form
4,243,159.18/5,855,703.42 = 2,309,489.92/x - Step 3: Cross multiply
4,243,159.18x = 5,855,703.42 × 2,309,489.92 - Step 4: Simplify right side
4,243,159.18x = 13,523,688,022,999.53 - Step 5: Solve for x
x = 13,523,688,022,999.53/4,243,159.18 - Step 6: Final answer
x = 3,187,174.33
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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.