Finding the Fourth Proportional to 5,043,281.99, 7,564,111.06 and 1,448,231.25
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Solution
The fourth proportional to 5,043,281.99, 7,564,111.06 and 1,448,231.25 is: 2,172,113.72
Step by Step Solution
- Step 1: Write the proportion equation
5,043,281.99 : 7,564,111.06 = 1,448,231.25 : x - Step 2: Convert to fraction form
5,043,281.99/7,564,111.06 = 1,448,231.25/x - Step 3: Cross multiply
5,043,281.99x = 7,564,111.06 × 1,448,231.25 - Step 4: Simplify right side
5,043,281.99x = 10,954,581,974,121.49 - Step 5: Solve for x
x = 10,954,581,974,121.49/5,043,281.99 - Step 6: Final answer
x = 2,172,113.72
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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.