Finding the Fourth Proportional to 5,194,381.79, 7,791,572.75 and 1,407,864.66
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Solution
The fourth proportional to 5,194,381.79, 7,791,572.75 and 1,407,864.66 is: 2,111,797.01
Step by Step Solution
- Step 1: Write the proportion equation
5,194,381.79 : 7,791,572.75 = 1,407,864.66 : x - Step 2: Convert to fraction form
5,194,381.79/7,791,572.75 = 1,407,864.66/x - Step 3: Cross multiply
5,194,381.79x = 7,791,572.75 × 1,407,864.66 - Step 4: Simplify right side
5,194,381.79x = 10,969,479,913,504.69 - Step 5: Solve for x
x = 10,969,479,913,504.69/5,194,381.79 - Step 6: Final answer
x = 2,111,797.01
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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.