Finding the Fourth Proportional to 1,465,875.60, 2,198,230.20 and 518,758.80
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Solution
The fourth proportional to 1,465,875.60, 2,198,230.20 and 518,758.80 is: 777,931.81
Step by Step Solution
- Step 1: Write the proportion equation
1,465,875.60 : 2,198,230.20 = 518,758.80 : x - Step 2: Convert to fraction form
1,465,875.60/2,198,230.20 = 518,758.80/x - Step 3: Cross multiply
1,465,875.60x = 2,198,230.20 × 518,758.80 - Step 4: Simplify right side
1,465,875.60x = 1,140,351,260,675.76 - Step 5: Solve for x
x = 1,140,351,260,675.76/1,465,875.60 - Step 6: Final answer
x = 777,931.81
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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.