Finding the Fourth Proportional to 1,497,895.40, 2,247,134.70 and 644,965.40
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Solution
The fourth proportional to 1,497,895.40, 2,247,134.70 and 644,965.40 is: 967,573.66
Step by Step Solution
- Step 1: Write the proportion equation
1,497,895.40 : 2,247,134.70 = 644,965.40 : x - Step 2: Convert to fraction form
1,497,895.40/2,247,134.70 = 644,965.40/x - Step 3: Cross multiply
1,497,895.40x = 2,247,134.70 × 644,965.40 - Step 4: Simplify right side
1,497,895.40x = 1,449,324,130,639.38 - Step 5: Solve for x
x = 1,449,324,130,639.38/1,497,895.40 - Step 6: Final answer
x = 967,573.66
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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.