Finding the Fourth Proportional to 2,557,806.48, 3,529,816.29 and 1,396,312.65
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Solution
The fourth proportional to 2,557,806.48, 3,529,816.29 and 1,396,312.65 is: 1,926,935.12
Step by Step Solution
- Step 1: Write the proportion equation
2,557,806.48 : 3,529,816.29 = 1,396,312.65 : x - Step 2: Convert to fraction form
2,557,806.48/3,529,816.29 = 1,396,312.65/x - Step 3: Cross multiply
2,557,806.48x = 3,529,816.29 × 1,396,312.65 - Step 4: Simplify right side
2,557,806.48x = 4,928,727,137,903.07 - Step 5: Solve for x
x = 4,928,727,137,903.07/2,557,806.48 - Step 6: Final answer
x = 1,926,935.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.