Finding the Fourth Proportional to 3,775,991.16, 5,664,544.94 and 1,379,275.29
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Solution
The fourth proportional to 3,775,991.16, 5,664,544.94 and 1,379,275.29 is: 2,069,116.83
Step by Step Solution
- Step 1: Write the proportion equation
3,775,991.16 : 5,664,544.94 = 1,379,275.29 : x - Step 2: Convert to fraction form
3,775,991.16/5,664,544.94 = 1,379,275.29/x - Step 3: Cross multiply
3,775,991.16x = 5,664,544.94 × 1,379,275.29 - Step 4: Simplify right side
3,775,991.16x = 7,812,966,866,345.18 - Step 5: Solve for x
x = 7,812,966,866,345.18/3,775,991.16 - Step 6: Final answer
x = 2,069,116.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.