Finding the Fourth Proportional to 1,417,049.20, 2,125,354.69 and 518,280.76
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Solution
The fourth proportional to 1,417,049.20, 2,125,354.69 and 518,280.76 is: 777,340.99
Step by Step Solution
- Step 1: Write the proportion equation
1,417,049.20 : 2,125,354.69 = 518,280.76 : x - Step 2: Convert to fraction form
1,417,049.20/2,125,354.69 = 518,280.76/x - Step 3: Cross multiply
1,417,049.20x = 2,125,354.69 × 518,280.76 - Step 4: Simplify right side
1,417,049.20x = 1,101,530,430,784.59 - Step 5: Solve for x
x = 1,101,530,430,784.59/1,417,049.20 - Step 6: Final answer
x = 777,340.99
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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.