Finding the Fourth Proportional to 1,554,984.68, 2,332,477.01 and 1,289,264.18
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Solution
The fourth proportional to 1,554,984.68, 2,332,477.01 and 1,289,264.18 is: 1,933,896.26
Step by Step Solution
- Step 1: Write the proportion equation
1,554,984.68 : 2,332,477.01 = 1,289,264.18 : x - Step 2: Convert to fraction form
1,554,984.68/2,332,477.01 = 1,289,264.18/x - Step 3: Cross multiply
1,554,984.68x = 2,332,477.01 × 1,289,264.18 - Step 4: Simplify right side
1,554,984.68x = 3,007,179,051,227.28 - Step 5: Solve for x
x = 3,007,179,051,227.28/1,554,984.68 - Step 6: Final answer
x = 1,933,896.26
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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.