Finding the Fourth Proportional to 3,898,350.91, 5,379,451.14 and 2,266,642.50
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Solution
The fourth proportional to 3,898,350.91, 5,379,451.14 and 2,266,642.50 is: 3,127,807.85
Step by Step Solution
- Step 1: Write the proportion equation
3,898,350.91 : 5,379,451.14 = 2,266,642.50 : x - Step 2: Convert to fraction form
3,898,350.91/5,379,451.14 = 2,266,642.50/x - Step 3: Cross multiply
3,898,350.91x = 5,379,451.14 × 2,266,642.50 - Step 4: Simplify right side
3,898,350.91x = 12,193,292,580,597.45 - Step 5: Solve for x
x = 12,193,292,580,597.45/3,898,350.91 - Step 6: Final answer
x = 3,127,807.85
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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.