Finding the Fourth Proportional to 2,129,597.13, 3,191,163.48 and 1,561,356.51
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Solution
The fourth proportional to 2,129,597.13, 3,191,163.48 and 1,561,356.51 is: 2,339,665.00
Step by Step Solution
- Step 1: Write the proportion equation
2,129,597.13 : 3,191,163.48 = 1,561,356.51 : x - Step 2: Convert to fraction form
2,129,597.13/3,191,163.48 = 1,561,356.51/x - Step 3: Cross multiply
2,129,597.13x = 3,191,163.48 × 1,561,356.51 - Step 4: Simplify right side
2,129,597.13x = 4,982,543,873,972.26 - Step 5: Solve for x
x = 4,982,543,873,972.26/2,129,597.13 - Step 6: Final answer
x = 2,339,665.00
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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.