Finding the Fourth Proportional to 1,617,997.80, 2,232,822.18 and 892,852.20
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Solution
The fourth proportional to 1,617,997.80, 2,232,822.18 and 892,852.20 is: 1,232,127.88
Step by Step Solution
- Step 1: Write the proportion equation
1,617,997.80 : 2,232,822.18 = 892,852.20 : x - Step 2: Convert to fraction form
1,617,997.80/2,232,822.18 = 892,852.20/x - Step 3: Cross multiply
1,617,997.80x = 2,232,822.18 × 892,852.20 - Step 4: Simplify right side
1,617,997.80x = 1,993,580,195,621.80 - Step 5: Solve for x
x = 1,993,580,195,621.80/1,617,997.80 - Step 6: Final answer
x = 1,232,127.88
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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.