Finding the Fourth Proportional to 1,472,390.07, 2,208,634.20 and 407,342.94
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Solution
The fourth proportional to 1,472,390.07, 2,208,634.20 and 407,342.94 is: 611,027.99
Step by Step Solution
- Step 1: Write the proportion equation
1,472,390.07 : 2,208,634.20 = 407,342.94 : x - Step 2: Convert to fraction form
1,472,390.07/2,208,634.20 = 407,342.94/x - Step 3: Cross multiply
1,472,390.07x = 2,208,634.20 × 407,342.94 - Step 4: Simplify right side
1,472,390.07x = 899,671,548,412.55 - Step 5: Solve for x
x = 899,671,548,412.55/1,472,390.07 - Step 6: Final answer
x = 611,027.99
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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.