Finding the Fourth Proportional to 4,939,125.84, 7,410,808.79 and 1,908,620.45
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Solution
The fourth proportional to 4,939,125.84, 7,410,808.79 and 1,908,620.45 is: 2,863,749.92
Step by Step Solution
- Step 1: Write the proportion equation
4,939,125.84 : 7,410,808.79 = 1,908,620.45 : x - Step 2: Convert to fraction form
4,939,125.84/7,410,808.79 = 1,908,620.45/x - Step 3: Cross multiply
4,939,125.84x = 7,410,808.79 × 1,908,620.45 - Step 4: Simplify right side
4,939,125.84x = 14,144,421,207,633.76 - Step 5: Solve for x
x = 14,144,421,207,633.76/4,939,125.84 - Step 6: Final answer
x = 2,863,749.92
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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.