Finding the Fourth Proportional to 1,555,807.50, 2,334,629.79 and 657,191.07
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Solution
The fourth proportional to 1,555,807.50, 2,334,629.79 and 657,191.07 is: 986,174.61
Step by Step Solution
- Step 1: Write the proportion equation
1,555,807.50 : 2,334,629.79 = 657,191.07 : x - Step 2: Convert to fraction form
1,555,807.50/2,334,629.79 = 657,191.07/x - Step 3: Cross multiply
1,555,807.50x = 2,334,629.79 × 657,191.07 - Step 4: Simplify right side
1,555,807.50x = 1,534,297,849,743.98 - Step 5: Solve for x
x = 1,534,297,849,743.98/1,555,807.50 - Step 6: Final answer
x = 986,174.61
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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.