Finding the Fourth Proportional to 3,688,727.95, 5,088,707.21 and 2,399,097.79
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Solution
The fourth proportional to 3,688,727.95, 5,088,707.21 and 2,399,097.79 is: 3,309,624.99
Step by Step Solution
- Step 1: Write the proportion equation
3,688,727.95 : 5,088,707.21 = 2,399,097.79 : x - Step 2: Convert to fraction form
3,688,727.95/5,088,707.21 = 2,399,097.79/x - Step 3: Cross multiply
3,688,727.95x = 5,088,707.21 × 2,399,097.79 - Step 4: Simplify right side
3,688,727.95x = 12,208,306,214,744.04 - Step 5: Solve for x
x = 12,208,306,214,744.04/3,688,727.95 - Step 6: Final answer
x = 3,309,624.99
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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.