Finding the Fourth Proportional to 5,743,643.90, 7,926,228.69 and 3,165,324.68
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Solution
The fourth proportional to 5,743,643.90, 7,926,228.69 and 3,165,324.68 is: 4,368,148.12
Step by Step Solution
- Step 1: Write the proportion equation
5,743,643.90 : 7,926,228.69 = 3,165,324.68 : x - Step 2: Convert to fraction form
5,743,643.90/7,926,228.69 = 3,165,324.68/x - Step 3: Cross multiply
5,743,643.90x = 7,926,228.69 × 3,165,324.68 - Step 4: Simplify right side
5,743,643.90x = 25,089,087,291,781.07 - Step 5: Solve for x
x = 25,089,087,291,781.07/5,743,643.90 - Step 6: Final answer
x = 4,368,148.12
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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.