Finding the Fourth Proportional to 6,631,485.88, 9,947,228.26 and 1,839,175.09
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Solution
The fourth proportional to 6,631,485.88, 9,947,228.26 and 1,839,175.09 is: 2,758,762.48
Step by Step Solution
- Step 1: Write the proportion equation
6,631,485.88 : 9,947,228.26 = 1,839,175.09 : x - Step 2: Convert to fraction form
6,631,485.88/9,947,228.26 = 1,839,175.09/x - Step 3: Cross multiply
6,631,485.88x = 9,947,228.26 × 1,839,175.09 - Step 4: Simplify right side
6,631,485.88x = 18,294,694,430,336.04 - Step 5: Solve for x
x = 18,294,694,430,336.04/6,631,485.88 - Step 6: Final answer
x = 2,758,762.48
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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.