Finding the Fourth Proportional to 3,843,129.03, 5,303,625.18 and 2,124,360.06
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Solution
The fourth proportional to 3,843,129.03, 5,303,625.18 and 2,124,360.06 is: 2,931,676.09
Step by Step Solution
- Step 1: Write the proportion equation
3,843,129.03 : 5,303,625.18 = 2,124,360.06 : x - Step 2: Convert to fraction form
3,843,129.03/5,303,625.18 = 2,124,360.06/x - Step 3: Cross multiply
3,843,129.03x = 5,303,625.18 × 2,124,360.06 - Step 4: Simplify right side
3,843,129.03x = 11,266,809,505,602.31 - Step 5: Solve for x
x = 11,266,809,505,602.31/3,843,129.03 - Step 6: Final answer
x = 2,931,676.09
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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.