Finding the Fourth Proportional to 2,163,110.22, 3,242,915.64 and 1,321,377.66
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Solution
The fourth proportional to 2,163,110.22, 3,242,915.64 and 1,321,377.66 is: 1,980,997.66
Step by Step Solution
- Step 1: Write the proportion equation
2,163,110.22 : 3,242,915.64 = 1,321,377.66 : x - Step 2: Convert to fraction form
2,163,110.22/3,242,915.64 = 1,321,377.66/x - Step 3: Cross multiply
2,163,110.22x = 3,242,915.64 × 1,321,377.66 - Step 4: Simplify right side
2,163,110.22x = 4,285,116,279,960.60 - Step 5: Solve for x
x = 4,285,116,279,960.60/2,163,110.22 - Step 6: Final answer
x = 1,980,997.66
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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.