Finding the Fourth Proportional to 8,543,898.75, 12,817,948.05 and 2,560,266.75
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Solution
The fourth proportional to 8,543,898.75, 12,817,948.05 and 2,560,266.75 is: 3,841,029.39
Step by Step Solution
- Step 1: Write the proportion equation
8,543,898.75 : 12,817,948.05 = 2,560,266.75 : x - Step 2: Convert to fraction form
8,543,898.75/12,817,948.05 = 2,560,266.75/x - Step 3: Cross multiply
8,543,898.75x = 12,817,948.05 × 2,560,266.75 - Step 4: Simplify right side
8,543,898.75x = 32,817,366,195,642.34 - Step 5: Solve for x
x = 32,817,366,195,642.34/8,543,898.75 - Step 6: Final answer
x = 3,841,029.39
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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.