Finding the Fourth Proportional to 1,782,579.25, 2,459,963.42 and 1,018,630.99
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Solution
The fourth proportional to 1,782,579.25, 2,459,963.42 and 1,018,630.99 is: 1,405,713.08
Step by Step Solution
- Step 1: Write the proportion equation
1,782,579.25 : 2,459,963.42 = 1,018,630.99 : x - Step 2: Convert to fraction form
1,782,579.25/2,459,963.42 = 1,018,630.99/x - Step 3: Cross multiply
1,782,579.25x = 2,459,963.42 × 1,018,630.99 - Step 4: Simplify right side
1,782,579.25x = 2,505,794,973,878.39 - Step 5: Solve for x
x = 2,505,794,973,878.39/1,782,579.25 - Step 6: Final answer
x = 1,405,713.08
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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.