Finding the Fourth Proportional to 5,919,623.18, 8,169,087.21 and 3,203,369.18
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Solution
The fourth proportional to 5,919,623.18, 8,169,087.21 and 3,203,369.18 is: 4,420,653.38
Step by Step Solution
- Step 1: Write the proportion equation
5,919,623.18 : 8,169,087.21 = 3,203,369.18 : x - Step 2: Convert to fraction form
5,919,623.18/8,169,087.21 = 3,203,369.18/x - Step 3: Cross multiply
5,919,623.18x = 8,169,087.21 × 3,203,369.18 - Step 4: Simplify right side
5,919,623.18x = 26,168,602,197,246.19 - Step 5: Solve for x
x = 26,168,602,197,246.19/5,919,623.18 - Step 6: Final answer
x = 4,420,653.38
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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.