Finding the Fourth Proportional to 4,757,781.81, 6,565,563.21 and 2,582,278.24
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Solution
The fourth proportional to 4,757,781.81, 6,565,563.21 and 2,582,278.24 is: 3,563,448.62
Step by Step Solution
- Step 1: Write the proportion equation
4,757,781.81 : 6,565,563.21 = 2,582,278.24 : x - Step 2: Convert to fraction form
4,757,781.81/6,565,563.21 = 2,582,278.24/x - Step 3: Cross multiply
4,757,781.81x = 6,565,563.21 × 2,582,278.24 - Step 4: Simplify right side
4,757,781.81x = 16,954,111,010,527.55 - Step 5: Solve for x
x = 16,954,111,010,527.55/4,757,781.81 - Step 6: Final answer
x = 3,563,448.62
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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.