Finding the Fourth Proportional to 2,756,160.24, 4,134,792.21 and 1,543,461.45
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Solution
The fourth proportional to 2,756,160.24, 4,134,792.21 and 1,543,461.45 is: 2,315,501.21
Step by Step Solution
- Step 1: Write the proportion equation
2,756,160.24 : 4,134,792.21 = 1,543,461.45 : x - Step 2: Convert to fraction form
2,756,160.24/4,134,792.21 = 1,543,461.45/x - Step 3: Cross multiply
2,756,160.24x = 4,134,792.21 × 1,543,461.45 - Step 4: Simplify right side
2,756,160.24x = 6,381,892,379,895.31 - Step 5: Solve for x
x = 6,381,892,379,895.31/2,756,160.24 - Step 6: Final answer
x = 2,315,501.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.