Finding the Fourth Proportional to 5,702,953.98, 7,867,438.40 and 5,050,245.18
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Solution
The fourth proportional to 5,702,953.98, 7,867,438.40 and 5,050,245.18 is: 6,967,002.19
Step by Step Solution
- Step 1: Write the proportion equation
5,702,953.98 : 7,867,438.40 = 5,050,245.18 : x - Step 2: Convert to fraction form
5,702,953.98/7,867,438.40 = 5,050,245.18/x - Step 3: Cross multiply
5,702,953.98x = 7,867,438.40 × 5,050,245.18 - Step 4: Simplify right side
5,702,953.98x = 39,732,492,858,546.91 - Step 5: Solve for x
x = 39,732,492,858,546.91/5,702,953.98 - Step 6: Final answer
x = 6,967,002.19
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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.