Finding the Fourth Proportional to 1,345,424.99, 2,018,144.77 and 348,152.99
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Solution
The fourth proportional to 1,345,424.99, 2,018,144.77 and 348,152.99 is: 522,231.36
Step by Step Solution
- Step 1: Write the proportion equation
1,345,424.99 : 2,018,144.77 = 348,152.99 : x - Step 2: Convert to fraction form
1,345,424.99/2,018,144.77 = 348,152.99/x - Step 3: Cross multiply
1,345,424.99x = 2,018,144.77 × 348,152.99 - Step 4: Simplify right side
1,345,424.99x = 702,623,124,967.26 - Step 5: Solve for x
x = 702,623,124,967.26/1,345,424.99 - Step 6: Final answer
x = 522,231.36
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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.