Finding the Fourth Proportional to 3,307,389.94, 4,565,268.12 and 2,143,782.94
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Solution
The fourth proportional to 3,307,389.94, 4,565,268.12 and 2,143,782.94 is: 2,959,114.01
Step by Step Solution
- Step 1: Write the proportion equation
3,307,389.94 : 4,565,268.12 = 2,143,782.94 : x - Step 2: Convert to fraction form
3,307,389.94/4,565,268.12 = 2,143,782.94/x - Step 3: Cross multiply
3,307,389.94x = 4,565,268.12 × 2,143,782.94 - Step 4: Simplify right side
3,307,389.94x = 9,786,943,912,181.87 - Step 5: Solve for x
x = 9,786,943,912,181.87/3,307,389.94 - Step 6: Final answer
x = 2,959,114.01
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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.