Finding the Fourth Proportional to 4,439,745.60, 6,659,804.64 and 1,407,045.12
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Solution
The fourth proportional to 4,439,745.60, 6,659,804.64 and 1,407,045.12 is: 2,110,626.70
Step by Step Solution
- Step 1: Write the proportion equation
4,439,745.60 : 6,659,804.64 = 1,407,045.12 : x - Step 2: Convert to fraction form
4,439,745.60/6,659,804.64 = 1,407,045.12/x - Step 3: Cross multiply
4,439,745.60x = 6,659,804.64 × 1,407,045.12 - Step 4: Simplify right side
4,439,745.60x = 9,370,645,618,865.36 - Step 5: Solve for x
x = 9,370,645,618,865.36/4,439,745.60 - Step 6: Final answer
x = 2,110,626.70
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1.5x scale
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.