Finding the Fourth Proportional to 1,243,751.99, 1,865,977.90 and 445,147.07
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Solution
The fourth proportional to 1,243,751.99, 1,865,977.90 and 445,147.07 is: 667,845.84
Step by Step Solution
- Step 1: Write the proportion equation
1,243,751.99 : 1,865,977.90 = 445,147.07 : x - Step 2: Convert to fraction form
1,243,751.99/1,865,977.90 = 445,147.07/x - Step 3: Cross multiply
1,243,751.99x = 1,865,977.90 × 445,147.07 - Step 4: Simplify right side
1,243,751.99x = 830,634,584,427.00 - Step 5: Solve for x
x = 830,634,584,427.00/1,243,751.99 - Step 6: Final answer
x = 667,845.84
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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.