Finding the Fourth Proportional to 2,231,688.99, 3,081,213.87 and 1,714,521.81
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Solution
The fourth proportional to 2,231,688.99, 3,081,213.87 and 1,714,521.81 is: 2,367,179.48
Step by Step Solution
- Step 1: Write the proportion equation
2,231,688.99 : 3,081,213.87 = 1,714,521.81 : x - Step 2: Convert to fraction form
2,231,688.99/3,081,213.87 = 1,714,521.81/x - Step 3: Cross multiply
2,231,688.99x = 3,081,213.87 × 1,714,521.81 - Step 4: Simplify right side
2,231,688.99x = 5,282,808,381,389.51 - Step 5: Solve for x
x = 5,282,808,381,389.51/2,231,688.99 - Step 6: Final answer
x = 2,367,179.48
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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.