Finding the Fourth Proportional to 1,625,977.65, 2,438,449.79 and 1,519,837.07
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Solution
The fourth proportional to 1,625,977.65, 2,438,449.79 and 1,519,837.07 is: 2,279,272.64
Step by Step Solution
- Step 1: Write the proportion equation
1,625,977.65 : 2,438,449.79 = 1,519,837.07 : x - Step 2: Convert to fraction form
1,625,977.65/2,438,449.79 = 1,519,837.07/x - Step 3: Cross multiply
1,625,977.65x = 2,438,449.79 × 1,519,837.07 - Step 4: Simplify right side
1,625,977.65x = 3,706,046,364,384.28 - Step 5: Solve for x
x = 3,706,046,364,384.28/1,625,977.65 - Step 6: Final answer
x = 2,279,272.64
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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.