Finding the Fourth Proportional to 1,457,853.26, 2,012,237.60 and 846,203.09
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Solution
The fourth proportional to 1,457,853.26, 2,012,237.60 and 846,203.09 is: 1,167,992.49
Step by Step Solution
- Step 1: Write the proportion equation
1,457,853.26 : 2,012,237.60 = 846,203.09 : x - Step 2: Convert to fraction form
1,457,853.26/2,012,237.60 = 846,203.09/x - Step 3: Cross multiply
1,457,853.26x = 2,012,237.60 × 846,203.09 - Step 4: Simplify right side
1,457,853.26x = 1,702,761,660,641.98 - Step 5: Solve for x
x = 1,702,761,660,641.98/1,457,853.26 - Step 6: Final answer
x = 1,167,992.49
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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.