Finding the Fourth Proportional to 3,467,307.69, 4,784,901.92 and 1,939,414.81
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Solution
The fourth proportional to 3,467,307.69, 4,784,901.92 and 1,939,414.81 is: 2,676,402.12
Step by Step Solution
- Step 1: Write the proportion equation
3,467,307.69 : 4,784,901.92 = 1,939,414.81 : x - Step 2: Convert to fraction form
3,467,307.69/4,784,901.92 = 1,939,414.81/x - Step 3: Cross multiply
3,467,307.69x = 4,784,901.92 × 1,939,414.81 - Step 4: Simplify right side
3,467,307.69x = 9,279,909,648,045.44 - Step 5: Solve for x
x = 9,279,909,648,045.44/3,467,307.69 - Step 6: Final answer
x = 2,676,402.12
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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.