Finding the Fourth Proportional to 4,845,782.24, 7,268,410.20 and 1,479,726.80
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Solution
The fourth proportional to 4,845,782.24, 7,268,410.20 and 1,479,726.80 is: 2,219,509.84
Step by Step Solution
- Step 1: Write the proportion equation
4,845,782.24 : 7,268,410.20 = 1,479,726.80 : x - Step 2: Convert to fraction form
4,845,782.24/7,268,410.20 = 1,479,726.80/x - Step 3: Cross multiply
4,845,782.24x = 7,268,410.20 × 1,479,726.80 - Step 4: Simplify right side
4,845,782.24x = 10,755,261,366,333.36 - Step 5: Solve for x
x = 10,755,261,366,333.36/4,845,782.24 - Step 6: Final answer
x = 2,219,509.84
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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.