Finding the Fourth Proportional to 3,959,860.24, 5,460,476.52 and 2,349,917.20
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Solution
The fourth proportional to 3,959,860.24, 5,460,476.52 and 2,349,917.20 is: 3,240,434.49
Step by Step Solution
- Step 1: Write the proportion equation
3,959,860.24 : 5,460,476.52 = 2,349,917.20 : x - Step 2: Convert to fraction form
3,959,860.24/5,460,476.52 = 2,349,917.20/x - Step 3: Cross multiply
3,959,860.24x = 5,460,476.52 × 2,349,917.20 - Step 4: Simplify right side
3,959,860.24x = 12,831,667,694,544.14 - Step 5: Solve for x
x = 12,831,667,694,544.14/3,959,860.24 - Step 6: Final answer
x = 3,240,434.49
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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.