Finding the Fourth Proportional to 4,975,988.63, 6,866,123.68 and 2,800,402.03
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Solution
The fourth proportional to 4,975,988.63, 6,866,123.68 and 2,800,402.03 is: 3,864,137.99
Step by Step Solution
- Step 1: Write the proportion equation
4,975,988.63 : 6,866,123.68 = 2,800,402.03 : x - Step 2: Convert to fraction form
4,975,988.63/6,866,123.68 = 2,800,402.03/x - Step 3: Cross multiply
4,975,988.63x = 6,866,123.68 × 2,800,402.03 - Step 4: Simplify right side
4,975,988.63x = 19,227,906,701,867.38 - Step 5: Solve for x
x = 19,227,906,701,867.38/4,975,988.63 - Step 6: Final answer
x = 3,864,137.99
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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.