Finding the Fourth Proportional to 1,771,970.98, 2,448,518.61 and 1,261,787.62
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Solution
The fourth proportional to 1,771,970.98, 2,448,518.61 and 1,261,787.62 is: 1,743,544.62
Step by Step Solution
- Step 1: Write the proportion equation
1,771,970.98 : 2,448,518.61 = 1,261,787.62 : x - Step 2: Convert to fraction form
1,771,970.98/2,448,518.61 = 1,261,787.62/x - Step 3: Cross multiply
1,771,970.98x = 2,448,518.61 × 1,261,787.62 - Step 4: Simplify right side
1,771,970.98x = 3,089,510,469,437.61 - Step 5: Solve for x
x = 3,089,510,469,437.61/1,771,970.98 - Step 6: Final answer
x = 1,743,544.62
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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.