Finding the Fourth Proportional to 1,785,517.30, 2,464,174.58 and 1,011,336.44
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Solution
The fourth proportional to 1,785,517.30, 2,464,174.58 and 1,011,336.44 is: 1,395,735.31
Step by Step Solution
- Step 1: Write the proportion equation
1,785,517.30 : 2,464,174.58 = 1,011,336.44 : x - Step 2: Convert to fraction form
1,785,517.30/2,464,174.58 = 1,011,336.44/x - Step 3: Cross multiply
1,785,517.30x = 2,464,174.58 × 1,011,336.44 - Step 4: Simplify right side
1,785,517.30x = 2,492,109,542,219.01 - Step 5: Solve for x
x = 2,492,109,542,219.01/1,785,517.30 - Step 6: Final answer
x = 1,395,735.31
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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.