Finding the Fourth Proportional to 3,431,158.98, 5,147,304.36 and 1,408,866.06
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Solution
The fourth proportional to 3,431,158.98, 5,147,304.36 and 1,408,866.06 is: 2,113,531.45
Step by Step Solution
- Step 1: Write the proportion equation
3,431,158.98 : 5,147,304.36 = 1,408,866.06 : x - Step 2: Convert to fraction form
3,431,158.98/5,147,304.36 = 1,408,866.06/x - Step 3: Cross multiply
3,431,158.98x = 5,147,304.36 × 1,408,866.06 - Step 4: Simplify right side
3,431,158.98x = 7,251,862,413,294.02 - Step 5: Solve for x
x = 7,251,862,413,294.02/3,431,158.98 - Step 6: Final answer
x = 2,113,531.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.