Finding the Fourth Proportional to 3,895,877.67, 5,376,210.84 and 2,177,012.31
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Solution
The fourth proportional to 3,895,877.67, 5,376,210.84 and 2,177,012.31 is: 3,004,220.92
Step by Step Solution
- Step 1: Write the proportion equation
3,895,877.67 : 5,376,210.84 = 2,177,012.31 : x - Step 2: Convert to fraction form
3,895,877.67/5,376,210.84 = 2,177,012.31/x - Step 3: Cross multiply
3,895,877.67x = 5,376,210.84 × 2,177,012.31 - Step 4: Simplify right side
3,895,877.67x = 11,704,077,179,835.44 - Step 5: Solve for x
x = 11,704,077,179,835.44/3,895,877.67 - Step 6: Final answer
x = 3,004,220.92
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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.