Finding the Fourth Proportional to 1,472,546.12, 2,208,867.47 and 407,498.99
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Solution
The fourth proportional to 1,472,546.12, 2,208,867.47 and 407,498.99 is: 611,261.84
Step by Step Solution
- Step 1: Write the proportion equation
1,472,546.12 : 2,208,867.47 = 407,498.99 : x - Step 2: Convert to fraction form
1,472,546.12/2,208,867.47 = 407,498.99/x - Step 3: Cross multiply
1,472,546.12x = 2,208,867.47 × 407,498.99 - Step 4: Simplify right side
1,472,546.12x = 900,111,251,515.14 - Step 5: Solve for x
x = 900,111,251,515.14/1,472,546.12 - Step 6: Final answer
x = 611,261.84
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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.