Finding the Fourth Proportional to 1,979,544.64, 2,970,809.60 and 1,448,435.84
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Solution
The fourth proportional to 1,979,544.64, 2,970,809.60 and 1,448,435.84 is: 2,173,745.93
Step by Step Solution
- Step 1: Write the proportion equation
1,979,544.64 : 2,970,809.60 = 1,448,435.84 : x - Step 2: Convert to fraction form
1,979,544.64/2,970,809.60 = 1,448,435.84/x - Step 3: Cross multiply
1,979,544.64x = 2,970,809.60 × 1,448,435.84 - Step 4: Simplify right side
1,979,544.64x = 4,303,027,098,456.06 - Step 5: Solve for x
x = 4,303,027,098,456.06/1,979,544.64 - Step 6: Final answer
x = 2,173,745.93
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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.