Finding the Fourth Proportional to 1,492,192.80, 2,238,424.54 and 412,772.99
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Solution
The fourth proportional to 1,492,192.80, 2,238,424.54 and 412,772.99 is: 619,196.91
Step by Step Solution
- Step 1: Write the proportion equation
1,492,192.80 : 2,238,424.54 = 412,772.99 : x - Step 2: Convert to fraction form
1,492,192.80/2,238,424.54 = 412,772.99/x - Step 3: Cross multiply
1,492,192.80x = 2,238,424.54 × 412,772.99 - Step 4: Simplify right side
1,492,192.80x = 923,961,178,041.12 - Step 5: Solve for x
x = 923,961,178,041.12/1,492,192.80 - Step 6: Final answer
x = 619,196.91
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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.