Finding the Fourth Proportional to 1,782,549.80, 2,460,233.16 and 1,057,797.14
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Solution
The fourth proportional to 1,782,549.80, 2,460,233.16 and 1,057,797.14 is: 1,459,946.65
Step by Step Solution
- Step 1: Write the proportion equation
1,782,549.80 : 2,460,233.16 = 1,057,797.14 : x - Step 2: Convert to fraction form
1,782,549.80/2,460,233.16 = 1,057,797.14/x - Step 3: Cross multiply
1,782,549.80x = 2,460,233.16 × 1,057,797.14 - Step 4: Simplify right side
1,782,549.80x = 2,602,427,600,381.16 - Step 5: Solve for x
x = 2,602,427,600,381.16/1,782,549.80 - Step 6: Final answer
x = 1,459,946.65
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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.