Finding the Fourth Proportional to 5,811,686.21, 8,717,176.40 and 2,167,713.65
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Solution
The fourth proportional to 5,811,686.21, 8,717,176.40 and 2,167,713.65 is: 3,251,438.83
Step by Step Solution
- Step 1: Write the proportion equation
5,811,686.21 : 8,717,176.40 = 2,167,713.65 : x - Step 2: Convert to fraction form
5,811,686.21/8,717,176.40 = 2,167,713.65/x - Step 3: Cross multiply
5,811,686.21x = 8,717,176.40 × 2,167,713.65 - Step 4: Simplify right side
5,811,686.21x = 18,896,342,217,313.41 - Step 5: Solve for x
x = 18,896,342,217,313.41/5,811,686.21 - Step 6: Final answer
x = 3,251,438.83
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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.