Finding the Fourth Proportional to 1,805,743.19, 2,491,871.61 and 989,918.98
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Solution
The fourth proportional to 1,805,743.19, 2,491,871.61 and 989,918.98 is: 1,366,058.59
Step by Step Solution
- Step 1: Write the proportion equation
1,805,743.19 : 2,491,871.61 = 989,918.98 : x - Step 2: Convert to fraction form
1,805,743.19/2,491,871.61 = 989,918.98/x - Step 3: Cross multiply
1,805,743.19x = 2,491,871.61 × 989,918.98 - Step 4: Simplify right side
1,805,743.19x = 2,466,751,002,462.16 - Step 5: Solve for x
x = 2,466,751,002,462.16/1,805,743.19 - Step 6: Final answer
x = 1,366,058.59
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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.