Finding the Fourth Proportional to 3,862,257.93, 5,328,683.01 and 2,230,449.75
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Solution
The fourth proportional to 3,862,257.93, 5,328,683.01 and 2,230,449.75 is: 3,077,308.64
Step by Step Solution
- Step 1: Write the proportion equation
3,862,257.93 : 5,328,683.01 = 2,230,449.75 : x - Step 2: Convert to fraction form
3,862,257.93/5,328,683.01 = 2,230,449.75/x - Step 3: Cross multiply
3,862,257.93x = 5,328,683.01 × 2,230,449.75 - Step 4: Simplify right side
3,862,257.93x = 11,885,359,687,483.75 - Step 5: Solve for x
x = 11,885,359,687,483.75/3,862,257.93 - Step 6: Final answer
x = 3,077,308.64
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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.