Finding the Fourth Proportional to 5,277,123.36, 7,282,444.24 and 2,862,675.36
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Solution
The fourth proportional to 5,277,123.36, 7,282,444.24 and 2,862,675.36 is: 3,950,499.59
Step by Step Solution
- Step 1: Write the proportion equation
5,277,123.36 : 7,282,444.24 = 2,862,675.36 : x - Step 2: Convert to fraction form
5,277,123.36/7,282,444.24 = 2,862,675.36/x - Step 3: Cross multiply
5,277,123.36x = 7,282,444.24 × 2,862,675.36 - Step 4: Simplify right side
5,277,123.36x = 20,847,273,686,421.93 - Step 5: Solve for x
x = 20,847,273,686,421.93/5,277,123.36 - Step 6: Final answer
x = 3,950,499.59
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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.