Finding the Fourth Proportional to 5,704,472.28, 7,872,178.55 and 3,090,974.48
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Solution
The fourth proportional to 5,704,472.28, 7,872,178.55 and 3,090,974.48 is: 4,265,548.46
Step by Step Solution
- Step 1: Write the proportion equation
5,704,472.28 : 7,872,178.55 = 3,090,974.48 : x - Step 2: Convert to fraction form
5,704,472.28/7,872,178.55 = 3,090,974.48/x - Step 3: Cross multiply
5,704,472.28x = 7,872,178.55 × 3,090,974.48 - Step 4: Simplify right side
5,704,472.28x = 24,332,702,945,237.64 - Step 5: Solve for x
x = 24,332,702,945,237.64/5,704,472.28 - Step 6: Final answer
x = 4,265,548.46
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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.