Finding the Fourth Proportional to 4,851,570.60, 7,276,043.70 and 1,439,850.60
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Solution
The fourth proportional to 4,851,570.60, 7,276,043.70 and 1,439,850.60 is: 2,159,386.46
Step by Step Solution
- Step 1: Write the proportion equation
4,851,570.60 : 7,276,043.70 = 1,439,850.60 : x - Step 2: Convert to fraction form
4,851,570.60/7,276,043.70 = 1,439,850.60/x - Step 3: Cross multiply
4,851,570.60x = 7,276,043.70 × 1,439,850.60 - Step 4: Simplify right side
4,851,570.60x = 10,476,415,887,071.22 - Step 5: Solve for x
x = 10,476,415,887,071.22/4,851,570.60 - Step 6: Final answer
x = 2,159,386.46
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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.