Finding the Fourth Proportional to 3,058,808.76, 4,221,264.47 and 1,682,258.90
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Solution
The fourth proportional to 3,058,808.76, 4,221,264.47 and 1,682,258.90 is: 2,321,576.88
Step by Step Solution
- Step 1: Write the proportion equation
3,058,808.76 : 4,221,264.47 = 1,682,258.90 : x - Step 2: Convert to fraction form
3,058,808.76/4,221,264.47 = 1,682,258.90/x - Step 3: Cross multiply
3,058,808.76x = 4,221,264.47 × 1,682,258.90 - Step 4: Simplify right side
3,058,808.76x = 7,101,259,694,393.67 - Step 5: Solve for x
x = 7,101,259,694,393.67/3,058,808.76 - Step 6: Final answer
x = 2,321,576.88
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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.