Finding the Fourth Proportional to 3,447,648.65, 5,169,677.13 and 1,286,896.84
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Solution
The fourth proportional to 3,447,648.65, 5,169,677.13 and 1,286,896.84 is: 1,929,674.92
Step by Step Solution
- Step 1: Write the proportion equation
3,447,648.65 : 5,169,677.13 = 1,286,896.84 : x - Step 2: Convert to fraction form
3,447,648.65/5,169,677.13 = 1,286,896.84/x - Step 3: Cross multiply
3,447,648.65x = 5,169,677.13 × 1,286,896.84 - Step 4: Simplify right side
3,447,648.65x = 6,652,841,149,493.08 - Step 5: Solve for x
x = 6,652,841,149,493.08/3,447,648.65 - Step 6: Final answer
x = 1,929,674.92
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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.