Finding the Fourth Proportional to 4,769,873.59, 6,581,827.72 and 3,224,497.68
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Solution
The fourth proportional to 4,769,873.59, 6,581,827.72 and 3,224,497.68 is: 4,449,402.65
Step by Step Solution
- Step 1: Write the proportion equation
4,769,873.59 : 6,581,827.72 = 3,224,497.68 : x - Step 2: Convert to fraction form
4,769,873.59/6,581,827.72 = 3,224,497.68/x - Step 3: Cross multiply
4,769,873.59x = 6,581,827.72 × 3,224,497.68 - Step 4: Simplify right side
4,769,873.59x = 21,223,088,180,722.63 - Step 5: Solve for x
x = 21,223,088,180,722.63/4,769,873.59 - Step 6: Final answer
x = 4,449,402.65
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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.