Finding the Fourth Proportional to 1,657,415.44, 2,486,248.48 and 459,323.92
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Solution
The fourth proportional to 1,657,415.44, 2,486,248.48 and 459,323.92 is: 689,020.61
Step by Step Solution
- Step 1: Write the proportion equation
1,657,415.44 : 2,486,248.48 = 459,323.92 : x - Step 2: Convert to fraction form
1,657,415.44/2,486,248.48 = 459,323.92/x - Step 3: Cross multiply
1,657,415.44x = 2,486,248.48 × 459,323.92 - Step 4: Simplify right side
1,657,415.44x = 1,141,993,397,927.64 - Step 5: Solve for x
x = 1,141,993,397,927.64/1,657,415.44 - Step 6: Final answer
x = 689,020.61
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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.