Finding the Fourth Proportional to 5,254,414.20, 7,875,497.70 and 2,414,813.40
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Solution
The fourth proportional to 5,254,414.20, 7,875,497.70 and 2,414,813.40 is: 3,619,405.83
Step by Step Solution
- Step 1: Write the proportion equation
5,254,414.20 : 7,875,497.70 = 2,414,813.40 : x - Step 2: Convert to fraction form
5,254,414.20/7,875,497.70 = 2,414,813.40/x - Step 3: Cross multiply
5,254,414.20x = 7,875,497.70 × 2,414,813.40 - Step 4: Simplify right side
5,254,414.20x = 19,017,857,377,629.18 - Step 5: Solve for x
x = 19,017,857,377,629.18/5,254,414.20 - Step 6: Final answer
x = 3,619,405.83
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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.