Finding the Fourth Proportional to 5,519,087.82, 8,278,669.40 and 2,106,454.14
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Solution
The fourth proportional to 5,519,087.82, 8,278,669.40 and 2,106,454.14 is: 3,159,695.59
Step by Step Solution
- Step 1: Write the proportion equation
5,519,087.82 : 8,278,669.40 = 2,106,454.14 : x - Step 2: Convert to fraction form
5,519,087.82/8,278,669.40 = 2,106,454.14/x - Step 3: Cross multiply
5,519,087.82x = 8,278,669.40 × 2,106,454.14 - Step 4: Simplify right side
5,519,087.82x = 17,438,637,420,789.04 - Step 5: Solve for x
x = 17,438,637,420,789.04/5,519,087.82 - Step 6: Final answer
x = 3,159,695.59
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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.