Finding the Fourth Proportional to 2,058,604.20, 3,087,906.30 and 1,943,130.60
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Solution
The fourth proportional to 2,058,604.20, 3,087,906.30 and 1,943,130.60 is: 2,914,695.90
Step by Step Solution
- Step 1: Write the proportion equation
2,058,604.20 : 3,087,906.30 = 1,943,130.60 : x - Step 2: Convert to fraction form
2,058,604.20/3,087,906.30 = 1,943,130.60/x - Step 3: Cross multiply
2,058,604.20x = 3,087,906.30 × 1,943,130.60 - Step 4: Simplify right side
2,058,604.20x = 6,000,205,221,462.78 - Step 5: Solve for x
x = 6,000,205,221,462.78/2,058,604.20 - Step 6: Final answer
x = 2,914,695.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.