Finding the Fourth Proportional to 1,472,575.87, 2,208,866.84 and 407,621.08
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Solution
The fourth proportional to 1,472,575.87, 2,208,866.84 and 407,621.08 is: 611,432.46
Step by Step Solution
- Step 1: Write the proportion equation
1,472,575.87 : 2,208,866.84 = 407,621.08 : x - Step 2: Convert to fraction form
1,472,575.87/2,208,866.84 = 407,621.08/x - Step 3: Cross multiply
1,472,575.87x = 2,208,866.84 × 407,621.08 - Step 4: Simplify right side
1,472,575.87x = 900,380,686,896.99 - Step 5: Solve for x
x = 900,380,686,896.99/1,472,575.87 - Step 6: Final answer
x = 611,432.46
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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.