Finding the Fourth Proportional to 1,543,690.09, 2,130,304.93 and 855,373.44
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Solution
The fourth proportional to 1,543,690.09, 2,130,304.93 and 855,373.44 is: 1,180,422.33
Step by Step Solution
- Step 1: Write the proportion equation
1,543,690.09 : 2,130,304.93 = 855,373.44 : x - Step 2: Convert to fraction form
1,543,690.09/2,130,304.93 = 855,373.44/x - Step 3: Cross multiply
1,543,690.09x = 2,130,304.93 × 855,373.44 - Step 4: Simplify right side
1,543,690.09x = 1,822,206,250,090.30 - Step 5: Solve for x
x = 1,822,206,250,090.30/1,543,690.09 - Step 6: Final answer
x = 1,180,422.33
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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.