Finding the Fourth Proportional to 1,958,976.70, 2,939,599.55 and 821,637.68
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Solution
The fourth proportional to 1,958,976.70, 2,939,599.55 and 821,637.68 is: 1,232,932.35
Step by Step Solution
- Step 1: Write the proportion equation
1,958,976.70 : 2,939,599.55 = 821,637.68 : x - Step 2: Convert to fraction form
1,958,976.70/2,939,599.55 = 821,637.68/x - Step 3: Cross multiply
1,958,976.70x = 2,939,599.55 × 821,637.68 - Step 4: Simplify right side
1,958,976.70x = 2,415,285,741,747.14 - Step 5: Solve for x
x = 2,415,285,741,747.14/1,958,976.70 - Step 6: Final answer
x = 1,232,932.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.