Finding the Fourth Proportional to 5,743,648.96, 7,926,289.68 and 3,165,422.56
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Solution
The fourth proportional to 5,743,648.96, 7,926,289.68 and 3,165,422.56 is: 4,368,312.96
Step by Step Solution
- Step 1: Write the proportion equation
5,743,648.96 : 7,926,289.68 = 3,165,422.56 : x - Step 2: Convert to fraction form
5,743,648.96/7,926,289.68 = 3,165,422.56/x - Step 3: Cross multiply
5,743,648.96x = 7,926,289.68 × 3,165,422.56 - Step 4: Simplify right side
5,743,648.96x = 25,090,056,170,167.18 - Step 5: Solve for x
x = 25,090,056,170,167.18/5,743,648.96 - Step 6: Final answer
x = 4,368,312.96
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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.