Finding the Fourth Proportional to 4,900,474.28, 7,345,913.39 and 2,742,553.18
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Solution
The fourth proportional to 4,900,474.28, 7,345,913.39 and 2,742,553.18 is: 4,111,144.55
Step by Step Solution
- Step 1: Write the proportion equation
4,900,474.28 : 7,345,913.39 = 2,742,553.18 : x - Step 2: Convert to fraction form
4,900,474.28/7,345,913.39 = 2,742,553.18/x - Step 3: Cross multiply
4,900,474.28x = 7,345,913.39 × 2,742,553.18 - Step 4: Simplify right side
4,900,474.28x = 20,146,558,133,503.28 - Step 5: Solve for x
x = 20,146,558,133,503.28/4,900,474.28 - Step 6: Final answer
x = 4,111,144.55
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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.