Finding the Fourth Proportional to 4,315,427.56, 6,440,327.69 and 3,837,143.08
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Solution
The fourth proportional to 4,315,427.56, 6,440,327.69 and 3,837,143.08 is: 5,726,537.75
Step by Step Solution
- Step 1: Write the proportion equation
4,315,427.56 : 6,440,327.69 = 3,837,143.08 : x - Step 2: Convert to fraction form
4,315,427.56/6,440,327.69 = 3,837,143.08/x - Step 3: Cross multiply
4,315,427.56x = 6,440,327.69 × 3,837,143.08 - Step 4: Simplify right side
4,315,427.56x = 24,712,458,828,615.89 - Step 5: Solve for x
x = 24,712,458,828,615.89/4,315,427.56 - Step 6: Final answer
x = 5,726,537.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.