Finding the Fourth Proportional to 1,548,601.20, 2,136,695.76 and 903,653.28
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Solution
The fourth proportional to 1,548,601.20, 2,136,695.76 and 903,653.28 is: 1,246,823.35
Step by Step Solution
- Step 1: Write the proportion equation
1,548,601.20 : 2,136,695.76 = 903,653.28 : x - Step 2: Convert to fraction form
1,548,601.20/2,136,695.76 = 903,653.28/x - Step 3: Cross multiply
1,548,601.20x = 2,136,695.76 × 903,653.28 - Step 4: Simplify right side
1,548,601.20x = 1,930,832,131,886.09 - Step 5: Solve for x
x = 1,930,832,131,886.09/1,548,601.20 - Step 6: Final answer
x = 1,246,823.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.