Finding the Fourth Proportional to 5,039,192.80, 6,953,786.40 and 2,863,433.98
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Solution
The fourth proportional to 5,039,192.80, 6,953,786.40 and 2,863,433.98 is: 3,951,368.61
Step by Step Solution
- Step 1: Write the proportion equation
5,039,192.80 : 6,953,786.40 = 2,863,433.98 : x - Step 2: Convert to fraction form
5,039,192.80/6,953,786.40 = 2,863,433.98/x - Step 3: Cross multiply
5,039,192.80x = 6,953,786.40 × 2,863,433.98 - Step 4: Simplify right side
5,039,192.80x = 19,911,708,267,421.87 - Step 5: Solve for x
x = 19,911,708,267,421.87/5,039,192.80 - Step 6: Final answer
x = 3,951,368.61
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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.