Finding the Fourth Proportional to 5,536,778.30, 8,289,421.05 and 4,266,568.70
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Solution
The fourth proportional to 5,536,778.30, 8,289,421.05 and 4,266,568.70 is: 6,387,719.08
Step by Step Solution
- Step 1: Write the proportion equation
5,536,778.30 : 8,289,421.05 = 4,266,568.70 : x - Step 2: Convert to fraction form
5,536,778.30/8,289,421.05 = 4,266,568.70/x - Step 3: Cross multiply
5,536,778.30x = 8,289,421.05 × 4,266,568.70 - Step 4: Simplify right side
5,536,778.30x = 35,367,384,393,051.13 - Step 5: Solve for x
x = 35,367,384,393,051.13/5,536,778.30 - Step 6: Final answer
x = 6,387,719.08
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1.5x scale
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.