Finding the Fourth Proportional to 5,939,064.32, 8,911,966.21 and 3,206,575.08
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Solution
The fourth proportional to 5,939,064.32, 8,911,966.21 and 3,206,575.08 is: 4,811,681.99
Step by Step Solution
- Step 1: Write the proportion equation
5,939,064.32 : 8,911,966.21 = 3,206,575.08 : x - Step 2: Convert to fraction form
5,939,064.32/8,911,966.21 = 3,206,575.08/x - Step 3: Cross multiply
5,939,064.32x = 8,911,966.21 × 3,206,575.08 - Step 4: Simplify right side
5,939,064.32x = 28,576,888,789,076.18 - Step 5: Solve for x
x = 28,576,888,789,076.18/5,939,064.32 - Step 6: Final answer
x = 4,811,681.99
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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.