Finding the Fourth Proportional to 3,138,877.02, 4,331,351.04 and 1,761,905.40
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Solution
The fourth proportional to 3,138,877.02, 4,331,351.04 and 1,761,905.40 is: 2,431,261.48
Step by Step Solution
- Step 1: Write the proportion equation
3,138,877.02 : 4,331,351.04 = 1,761,905.40 : x - Step 2: Convert to fraction form
3,138,877.02/4,331,351.04 = 1,761,905.40/x - Step 3: Cross multiply
3,138,877.02x = 4,331,351.04 × 1,761,905.40 - Step 4: Simplify right side
3,138,877.02x = 7,631,430,786,671.62 - Step 5: Solve for x
x = 7,631,430,786,671.62/3,138,877.02 - Step 6: Final answer
x = 2,431,261.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.