Finding the Fourth Proportional to 6,438,599.07, 8,885,760.92 and 3,686,149.81
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Solution
The fourth proportional to 6,438,599.07, 8,885,760.92 and 3,686,149.81 is: 5,087,169.67
Step by Step Solution
- Step 1: Write the proportion equation
6,438,599.07 : 8,885,760.92 = 3,686,149.81 : x - Step 2: Convert to fraction form
6,438,599.07/8,885,760.92 = 3,686,149.81/x - Step 3: Cross multiply
6,438,599.07x = 8,885,760.92 × 3,686,149.81 - Step 4: Simplify right side
6,438,599.07x = 32,754,245,926,963.43 - Step 5: Solve for x
x = 32,754,245,926,963.43/6,438,599.07 - Step 6: Final answer
x = 5,087,169.67
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1.5x scale
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.