Finding the Fourth Proportional to 3,548,357.37, 4,896,729.21 and 1,916,764.35
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Solution
The fourth proportional to 3,548,357.37, 4,896,729.21 and 1,916,764.35 is: 2,645,132.66
Step by Step Solution
- Step 1: Write the proportion equation
3,548,357.37 : 4,896,729.21 = 1,916,764.35 : x - Step 2: Convert to fraction form
3,548,357.37/4,896,729.21 = 1,916,764.35/x - Step 3: Cross multiply
3,548,357.37x = 4,896,729.21 × 1,916,764.35 - Step 4: Simplify right side
3,548,357.37x = 9,385,875,981,331.66 - Step 5: Solve for x
x = 9,385,875,981,331.66/3,548,357.37 - Step 6: Final answer
x = 2,645,132.66
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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.