Finding the Fourth Proportional to 1,845,848.70, 2,764,107.45 and 1,211,327.10
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Solution
The fourth proportional to 1,845,848.70, 2,764,107.45 and 1,211,327.10 is: 1,813,928.88
Step by Step Solution
- Step 1: Write the proportion equation
1,845,848.70 : 2,764,107.45 = 1,211,327.10 : x - Step 2: Convert to fraction form
1,845,848.70/2,764,107.45 = 1,211,327.10/x - Step 3: Cross multiply
1,845,848.70x = 2,764,107.45 × 1,211,327.10 - Step 4: Simplify right side
1,845,848.70x = 3,348,238,261,496.90 - Step 5: Solve for x
x = 3,348,238,261,496.90/1,845,848.70 - Step 6: Final answer
x = 1,813,928.88
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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.