Finding the Fourth Proportional to 1,498,433.80, 2,247,650.70 and 740,638.30
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Solution
The fourth proportional to 1,498,433.80, 2,247,650.70 and 740,638.30 is: 1,110,957.45
Step by Step Solution
- Step 1: Write the proportion equation
1,498,433.80 : 2,247,650.70 = 740,638.30 : x - Step 2: Convert to fraction form
1,498,433.80/2,247,650.70 = 740,638.30/x - Step 3: Cross multiply
1,498,433.80x = 2,247,650.70 × 740,638.30 - Step 4: Simplify right side
1,498,433.80x = 1,664,696,193,441.81 - Step 5: Solve for x
x = 1,664,696,193,441.81/1,498,433.80 - Step 6: Final answer
x = 1,110,957.45
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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.