Finding the Fourth Proportional to 5,263,543.76, 7,894,134.68 and 2,420,924.88
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Solution
The fourth proportional to 5,263,543.76, 7,894,134.68 and 2,420,924.88 is: 3,630,844.15
Step by Step Solution
- Step 1: Write the proportion equation
5,263,543.76 : 7,894,134.68 = 2,420,924.88 : x - Step 2: Convert to fraction form
5,263,543.76/7,894,134.68 = 2,420,924.88/x - Step 3: Cross multiply
5,263,543.76x = 7,894,134.68 × 2,420,924.88 - Step 4: Simplify right side
5,263,543.76x = 19,111,107,052,882.84 - Step 5: Solve for x
x = 19,111,107,052,882.84/5,263,543.76 - Step 6: Final answer
x = 3,630,844.15
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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.