Finding the Fourth Proportional to 4,712,486.84, 6,503,257.90 and 2,647,589.48
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Solution
The fourth proportional to 4,712,486.84, 6,503,257.90 and 2,647,589.48 is: 3,653,688.12
Step by Step Solution
- Step 1: Write the proportion equation
4,712,486.84 : 6,503,257.90 = 2,647,589.48 : x - Step 2: Convert to fraction form
4,712,486.84/6,503,257.90 = 2,647,589.48/x - Step 3: Cross multiply
4,712,486.84x = 6,503,257.90 × 2,647,589.48 - Step 4: Simplify right side
4,712,486.84x = 17,217,957,201,766.89 - Step 5: Solve for x
x = 17,217,957,201,766.89/4,712,486.84 - Step 6: Final answer
x = 3,653,688.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.