Finding the Fourth Proportional to 1,623,409.94, 2,240,271.14 and 888,361.31
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Solution
The fourth proportional to 1,623,409.94, 2,240,271.14 and 888,361.31 is: 1,225,919.68
Step by Step Solution
- Step 1: Write the proportion equation
1,623,409.94 : 2,240,271.14 = 888,361.31 : x - Step 2: Convert to fraction form
1,623,409.94/2,240,271.14 = 888,361.31/x - Step 3: Cross multiply
1,623,409.94x = 2,240,271.14 × 888,361.31 - Step 4: Simplify right side
1,623,409.94x = 1,990,170,193,484.24 - Step 5: Solve for x
x = 1,990,170,193,484.24/1,623,409.94 - Step 6: Final answer
x = 1,225,919.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.