Finding the Fourth Proportional to 4,756,581.09, 6,564,048.57 and 2,581,068.90
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Solution
The fourth proportional to 4,756,581.09, 6,564,048.57 and 2,581,068.90 is: 3,561,856.99
Step by Step Solution
- Step 1: Write the proportion equation
4,756,581.09 : 6,564,048.57 = 2,581,068.90 : x - Step 2: Convert to fraction form
4,756,581.09/6,564,048.57 = 2,581,068.90/x - Step 3: Cross multiply
4,756,581.09x = 6,564,048.57 × 2,581,068.90 - Step 4: Simplify right side
4,756,581.09x = 16,942,261,622,116.47 - Step 5: Solve for x
x = 16,942,261,622,116.47/4,756,581.09 - Step 6: Final answer
x = 3,561,856.99
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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.