Finding the Fourth Proportional to 5,160,859.04, 7,122,228.56 and 2,869,058
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Solution
The fourth proportional to 5,160,859.04, 7,122,228.56 and 2,869,058 is: 3,959,435.18
Step by Step Solution
- Step 1: Write the proportion equation
5,160,859.04 : 7,122,228.56 = 2,869,058 : x - Step 2: Convert to fraction form
5,160,859.04/7,122,228.56 = 2,869,058/x - Step 3: Cross multiply
5,160,859.04x = 7,122,228.56 × 2,869,058 - Step 4: Simplify right side
5,160,859.04x = 20,434,086,827,896.48 - Step 5: Solve for x
x = 20,434,086,827,896.48/5,160,859.04 - Step 6: Final answer
x = 3,959,435.18
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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.