Finding the Fourth Proportional to 1,518,560.10, 2,280,464.55 and 809,972.10
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Solution
The fourth proportional to 1,518,560.10, 2,280,464.55 and 809,972.10 is: 1,216,357.96
Step by Step Solution
- Step 1: Write the proportion equation
1,518,560.10 : 2,280,464.55 = 809,972.10 : x - Step 2: Convert to fraction form
1,518,560.10/2,280,464.55 = 809,972.10/x - Step 3: Cross multiply
1,518,560.10x = 2,280,464.55 × 809,972.10 - Step 4: Simplify right side
1,518,560.10x = 1,847,112,660,539.05 - Step 5: Solve for x
x = 1,847,112,660,539.05/1,518,560.10 - Step 6: Final answer
x = 1,216,357.96
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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.