Finding the Fourth Proportional to 5,736,402.71, 7,916,807.58 and 4,283,575.87
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Solution
The fourth proportional to 5,736,402.71, 7,916,807.58 and 4,283,575.87 is: 5,911,761.72
Step by Step Solution
- Step 1: Write the proportion equation
5,736,402.71 : 7,916,807.58 = 4,283,575.87 : x - Step 2: Convert to fraction form
5,736,402.71/7,916,807.58 = 4,283,575.87/x - Step 3: Cross multiply
5,736,402.71x = 7,916,807.58 × 4,283,575.87 - Step 4: Simplify right side
5,736,402.71x = 33,912,245,895,703.22 - Step 5: Solve for x
x = 33,912,245,895,703.22/5,736,402.71 - Step 6: Final answer
x = 5,911,761.72
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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.