Finding the Fourth Proportional to 1,596,964.40, 2,383,224.68 and 1,426,571.12
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Solution
The fourth proportional to 1,596,964.40, 2,383,224.68 and 1,426,571.12 is: 2,128,938.82
Step by Step Solution
- Step 1: Write the proportion equation
1,596,964.40 : 2,383,224.68 = 1,426,571.12 : x - Step 2: Convert to fraction form
1,596,964.40/2,383,224.68 = 1,426,571.12/x - Step 3: Cross multiply
1,596,964.40x = 2,383,224.68 × 1,426,571.12 - Step 4: Simplify right side
1,596,964.40x = 3,399,839,500,959.24 - Step 5: Solve for x
x = 3,399,839,500,959.24/1,596,964.40 - Step 6: Final answer
x = 2,128,938.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.