Finding the Fourth Proportional to 2,309,716.99, 3,187,430.09 and 1,277,294.23
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Solution
The fourth proportional to 2,309,716.99, 3,187,430.09 and 1,277,294.23 is: 1,762,677.45
Step by Step Solution
- Step 1: Write the proportion equation
2,309,716.99 : 3,187,430.09 = 1,277,294.23 : x - Step 2: Convert to fraction form
2,309,716.99/3,187,430.09 = 1,277,294.23/x - Step 3: Cross multiply
2,309,716.99x = 3,187,430.09 × 1,277,294.23 - Step 4: Simplify right side
2,309,716.99x = 4,071,286,062,485.38 - Step 5: Solve for x
x = 4,071,286,062,485.38/2,309,716.99 - Step 6: Final answer
x = 1,762,677.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.