Finding the Fourth Proportional to 2,247,923.12, 3,102,158.40 and 1,229,306
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Solution
The fourth proportional to 2,247,923.12, 3,102,158.40 and 1,229,306 is: 1,696,455.68
Step by Step Solution
- Step 1: Write the proportion equation
2,247,923.12 : 3,102,158.40 = 1,229,306 : x - Step 2: Convert to fraction form
2,247,923.12/3,102,158.40 = 1,229,306/x - Step 3: Cross multiply
2,247,923.12x = 3,102,158.40 × 1,229,306 - Step 4: Simplify right side
2,247,923.12x = 3,813,501,934,070.40 - Step 5: Solve for x
x = 3,813,501,934,070.40/2,247,923.12 - Step 6: Final answer
x = 1,696,455.68
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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.