Finding the Fourth Proportional to 5,194,373.91, 7,791,560.93 and 1,407,856.79
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Solution
The fourth proportional to 5,194,373.91, 7,791,560.93 and 1,407,856.79 is: 2,111,785.20
Step by Step Solution
- Step 1: Write the proportion equation
5,194,373.91 : 7,791,560.93 = 1,407,856.79 : x - Step 2: Convert to fraction form
5,194,373.91/7,791,560.93 = 1,407,856.79/x - Step 3: Cross multiply
5,194,373.91x = 7,791,560.93 × 1,407,856.79 - Step 4: Simplify right side
5,194,373.91x = 10,969,401,924,561.05 - Step 5: Solve for x
x = 10,969,401,924,561.05/5,194,373.91 - Step 6: Final answer
x = 2,111,785.20
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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.