Finding the Fourth Proportional to 6,156,215.81, 8,496,421.77 and 3,542,666.18
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Solution
The fourth proportional to 6,156,215.81, 8,496,421.77 and 3,542,666.18 is: 4,889,364.99
Step by Step Solution
- Step 1: Write the proportion equation
6,156,215.81 : 8,496,421.77 = 3,542,666.18 : x - Step 2: Convert to fraction form
6,156,215.81/8,496,421.77 = 3,542,666.18/x - Step 3: Cross multiply
6,156,215.81x = 8,496,421.77 × 3,542,666.18 - Step 4: Simplify right side
6,156,215.81x = 30,099,986,055,594.74 - Step 5: Solve for x
x = 30,099,986,055,594.74/6,156,215.81 - Step 6: Final answer
x = 4,889,364.99
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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.