Finding the Fourth Proportional to 3,434,828.68, 5,176,932.15 and 2,960,778.21
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Solution
The fourth proportional to 3,434,828.68, 5,176,932.15 and 2,960,778.21 is: 4,462,449.03
Step by Step Solution
- Step 1: Write the proportion equation
3,434,828.68 : 5,176,932.15 = 2,960,778.21 : x - Step 2: Convert to fraction form
3,434,828.68/5,176,932.15 = 2,960,778.21/x - Step 3: Cross multiply
3,434,828.68x = 5,176,932.15 × 2,960,778.21 - Step 4: Simplify right side
3,434,828.68x = 15,327,747,904,368.45 - Step 5: Solve for x
x = 15,327,747,904,368.45/3,434,828.68 - Step 6: Final answer
x = 4,462,449.03
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.