Finding the Fourth Proportional to 4,865,405.49, 6,713,679.20 and 2,689,656.39
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Solution
The fourth proportional to 4,865,405.49, 6,713,679.20 and 2,689,656.39 is: 3,711,404.98
Step by Step Solution
- Step 1: Write the proportion equation
4,865,405.49 : 6,713,679.20 = 2,689,656.39 : x - Step 2: Convert to fraction form
4,865,405.49/6,713,679.20 = 2,689,656.39/x - Step 3: Cross multiply
4,865,405.49x = 6,713,679.20 × 2,689,656.39 - Step 4: Simplify right side
4,865,405.49x = 18,057,490,147,241.81 - Step 5: Solve for x
x = 18,057,490,147,241.81/4,865,405.49 - Step 6: Final answer
x = 3,711,404.98
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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.