Finding the Fourth Proportional to 5,352,847.70, 7,386,812.61 and 2,905,463.48
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Solution
The fourth proportional to 5,352,847.70, 7,386,812.61 and 2,905,463.48 is: 4,009,475.98
Step by Step Solution
- Step 1: Write the proportion equation
5,352,847.70 : 7,386,812.61 = 2,905,463.48 : x - Step 2: Convert to fraction form
5,352,847.70/7,386,812.61 = 2,905,463.48/x - Step 3: Cross multiply
5,352,847.70x = 7,386,812.61 × 2,905,463.48 - Step 4: Simplify right side
5,352,847.70x = 21,462,114,271,958.48 - Step 5: Solve for x
x = 21,462,114,271,958.48/5,352,847.70 - Step 6: Final answer
x = 4,009,475.98
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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.