Finding the Fourth Proportional to 4,544,922.30, 6,817,383.45 and 2,153,437.80
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Solution
The fourth proportional to 4,544,922.30, 6,817,383.45 and 2,153,437.80 is: 3,230,156.70
Step by Step Solution
- Step 1: Write the proportion equation
4,544,922.30 : 6,817,383.45 = 2,153,437.80 : x - Step 2: Convert to fraction form
4,544,922.30/6,817,383.45 = 2,153,437.80/x - Step 3: Cross multiply
4,544,922.30x = 6,817,383.45 × 2,153,437.80 - Step 4: Simplify right side
4,544,922.30x = 14,680,811,218,324.41 - Step 5: Solve for x
x = 14,680,811,218,324.41/4,544,922.30 - Step 6: Final answer
x = 3,230,156.70
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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.