Finding the Fourth Proportional to 2,125,579.24, 3,189,057.36 and 1,272,517.48
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Solution
The fourth proportional to 2,125,579.24, 3,189,057.36 and 1,272,517.48 is: 1,909,188.40
Step by Step Solution
- Step 1: Write the proportion equation
2,125,579.24 : 3,189,057.36 = 1,272,517.48 : x - Step 2: Convert to fraction form
2,125,579.24/3,189,057.36 = 1,272,517.48/x - Step 3: Cross multiply
2,125,579.24x = 3,189,057.36 × 1,272,517.48 - Step 4: Simplify right side
2,125,579.24x = 4,058,131,235,322.65 - Step 5: Solve for x
x = 4,058,131,235,322.65/2,125,579.24 - Step 6: Final answer
x = 1,909,188.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.