Finding the Fourth Proportional to 2,519,954.40, 3,779,931.60 and 2,205,026.40
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Solution
The fourth proportional to 2,519,954.40, 3,779,931.60 and 2,205,026.40 is: 3,307,539.60
Step by Step Solution
- Step 1: Write the proportion equation
2,519,954.40 : 3,779,931.60 = 2,205,026.40 : x - Step 2: Convert to fraction form
2,519,954.40/3,779,931.60 = 2,205,026.40/x - Step 3: Cross multiply
2,519,954.40x = 3,779,931.60 × 2,205,026.40 - Step 4: Simplify right side
2,519,954.40x = 8,334,848,968,194.24 - Step 5: Solve for x
x = 8,334,848,968,194.24/2,519,954.40 - Step 6: Final answer
x = 3,307,539.60
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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.